options for the lm guide - thk technical support · for options for the lm guide not mentioned in...
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Options for the LM GuideQZ LubricatorLaminated Contact Scraper LaCSSide Scraper Light Sliding Resistance Contact Seal LiCSGC Cap Dedicated for LM Rail Mounting Holes N E W
CATALOG No.321-2E
1
OPTIONSFor LM Guides, dust-prevention and lubrication accessories are available. You can make a selection according to the application or mounting location.
Light Sliding ResistanceContact Seal LiCS
Side Scraper
Laminated Contact Scraper LaCS
QZ Lubricator
Light Sliding Resistance Contact Seal LiCS(P.15 onward)
Metal scraper
Laminated Contact Scraper LaCS(P.9 onward)
Intermediate plate
Spacer
End seal
Double seals
Metal cap dedicated for LM rail mounting holes model GC (P.17 onward)
Plate cover model SV
2
Dedicated bellows
QZ Lubricator(P.5 onward)
Side scraper case
Side scraper (P.14)
Side scraper separator
● For options for the LM Guide not mentioned in this catalog (bellows, etc.), see the general catalog.●Options for the Ball Screw (QZ Lubricator, wiper ring W) are also available.
3
Seals and a Metal ScraperIn addition to LaCS and LiCS, THK also offers other options, such as an end seal made of special synthetic rubber with high wearresistance and a side seal, designed to increase the dust prevention effect.
For LM Guide models supported for dust prevention accessories and the overall LM block length (dimension L) with the desired dust prevention accessoryattached, see page 11.
End seal
End sealUsed in locations exposed to dust
End seal
Double sealsUsed in locations exposed to much dust or many cuttingchips
Metal scraper
Metal scraper (non-contact)Used in locations where welding spatter may adhere to the LM rail
Side seal
Side sealUsed in locations where dust mayenter the LM block from its side orbottom surface, such as vertical,horizontal and inverted mounts
Inner seal
Inner sealUsed in locations severely exposed todust or cutting chips
■Table of Symbols for Options
SymbolUUSSDDZZKKGGPP
SSHHDDHHZZHHKKHHQZUUQZSSQZDDQZZZQZKKQZGGQZPP
QZSSHHQZDDHHQZZZHHQZKKHH
Dust prevention accessoriesEnd sealEnd seal + side seal + inner sealDouble seals + side seal + inner sealEnd seal + side seal + inner seal + metal scraperDouble seals + side seal + inner seal + metal scraperLiCSLiCS + side seal + inner sealEnd seal + side seal + inner seal + LaCSDouble seals + side seal + inner seal + LaCSEnd seal + side seal + inner seal + metal scraper + LaCSDouble seals + side seal + inner seal + metal scraper + LaCSEnd seal + QZEnd seal + side seal + inner seal + QZDouble seals + side seal + inner seal + QZEnd seal + side seal + inner seal + metal scraper + QZDouble seals + side seal + inner seal + metal scraper + QZLiCS + QZLiCS + side seal + inner seal + QZEnd seal + side seal + inner seal + LaCS + QZDouble seals + side seal + inner seal + LaCS + QZEnd seal + side seal + inner seal + metal scraper + LaCS + QZDouble seals + side seal + inner seal + metal scraper + LaCS + QZ
Various combinations of options are available. See the table below for symbols for specific options.
4
■Table of LM Guide Models and CorrespondingOptions (QZ, LaCS, LiCS and Side Scraper)
○ : available
- : unavailable
*1: For models HSR15 to 65, a low-resistance end seal is also available (symbol: LL)
*2: “SS” is also applicable to some types of model RSR-Z.
Model No.
Dust prevention
LiCS
SS DD ZZ KK HH
LaCS
SHS
SSR
SNR/SNS
SHW12 to 14
17 to 50
SRS7 to 15
20 to 25
SCR
15
SRG 20 to 65
85 to 100
SRW70 to 100
130 to 150
HSR*1
NR/NRS
RSR*29 to 15
9W to 15W
UU GG PP
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Lubrication
QZ
SideScraper
QZLubricator
5
QZ Lubricator QZ
The QZ Lubricator feeds the right amount of lubricant to the raceway of the LM rail. This allows an oil filmto be constantly formed between the rolling elements and the ball raceway, thus significantly extending thelubrication maintenance interval.
Features● Since it supplements an oil loss, the lubrication
maintenance interval can be significantly extended.● Since the right amount of lubricant is applied to the
ball raceway, an environmentally friendly lubricationsystem that does not contaminate the surroundingsis achieved.
● It allows the user to select a lubricant that meets theintended use.
ApplicationsThe QZ Lubricator provides an optimal lubricationsystem for the following requirements. ● To introduce an eco-friendly machine.● To prevent contaminating the surroundings of the machine/
equipment.● To eliminate the waste of grease or oil used in the LM Guide.● To minimize the piping of the machine.● To extend the greasing interval or want to stop greasing.● To lubricate the machine only with oil (want to avoid grease
lubrication).
(End seal)
Flow of lubricant
(3) Oil control plate
Ball cage
Ball
Casing (2) High-density fiber net
(1) Highly oil-impregnated fiber net
The structure of the QZ Lubricator consists of three major components:
(1) A highly oil-impregnated fiber net (functions to store a lubricant)
(2) A high-density fiber net (functions to apply the lubricant to the raceway)
(3) An oil control plate (functions to control the flow of the lubricant)
The lubricant contained in QZ Lubricator is fed to the LM system based onthe principle of capillary action, which is used in felt-tip pens and otherproducts.
Grease lubrication
Forced centralized lubrication
QZ Lubricator
LM Guide attached with the QZ Lubricator
Significantly Extended Maintenance IntervalAttaching the QZ Lubricator helps extend the maintenance intervalthroughout the whole load range from the light-load area to theheavy-load area.
Note 1: The QZ Lubricator has an air vent. Do not block the vent with grease or the like.Note 2: Those LM Guide models attached with the QZ Lubricator cannot have a grease nipple. When desiring both the QZ Lubricator and a grease nipple to be attached,
contact THK.Note 3: The QZ Lubricator is not sold alone.
6
■ Significantly Extended Maintenance IntervalAttaching the QZ Lubricator helps extend the maintenance interval throughout the whole load range from thelight-load area to the heavy-load area.
30000km
3500km
0 500 1000 1500 3500 30000
Grease lubrication only
Grease + QZ Lubricator
Grease + QZ Lubricator
Service life: 465km
Grease + QZ Lubricator
Calculated service life under a heavy load = 400km
Distance traveled (km)LM Guide Running Test without Replenishment of Lubricant
Light load
1.4kN
300m/min
Medium load
9.3kN
50m/min
3200km
Heavy load
18.6kN
50m/min
400km
Conditions
Load
VelocityCalculated service life
LM Guide : Model HSR35R1SS
Hea
vy lo
adM
ediu
m
load
Ligh
t lo
ad
Service life: 962km Grease : 2 cc/LM block, initial lubrication only
QZ Lubricator : 5 cc × 2/LM block, initial lubrication only
■ Effective Use of LubricantSince the QZ Lubricator feeds the right amount of lubricant to the right place, the lubricant can be usedefficiently.
Amount of oil contained in the QZ Lubricator0.166 cm3×1 lubricator/2 lubricators
= 0.332 cm3
Forced lubrication0.03 cm3/6 min×16667 min
= 83.3 cm3
Compared
Lubricant consumption is 1/250 of that of forced lubrication, thus significantly reducing the waste of lubricant.
Forced lubrication 83.3
SHW21QZ
0 20 40 60 80 100Supplied amount of lubricant: cm3
Test conditions: 300m/min
0.332
Comparison of lubricant consumption after traveling
5,000km
■ Lubrication Support Effect in a Harsh EnvironmentAs a result of conducting a durability test in a harsh environment (environment with coolant, foreignmaterial), a travel distance of 5,000 km was achieved.
0 1000 2000 3000 4000 5000 6000
QZ+LaCS
Standard typemodel HSR45
SNS45
Distance traveled (km)
No breakage
Flaking occurs at 3,500km
[Test result][Test conditions]
Model No.
Load
Velocity
Coolant
SNS45
P = 0.1 C
60m/min
Immersed 48 hours, dried 96 hours
Foundry dust (125 µm or less)
HSR45
Lubrication AFA Grease + QZSuper Multi 68Operating cycle : 0.1 cc/shotPeriodic time: 16min
Foreign material
Performance
7
LM Block Length (Dimension L) with QZ Attached (Standard LM block length)
Overall LM block length with QZ attached
L
SNR/SNS
SSR
SHS
SHW
SRS
Model No.
L
Standard LMblock length
15C/V/R15LC/LV20C/V20LC/LV25C/V/R25LC/LV/LR30C/V/R30LC/LV/LR35C/V/R35LC/LV/LR45C/V/R45LC/LV/LR55C/V/R55LC/LV/LR65C/V65LC/LV15XVY15XWY/XTBY20XV20XW/XTB25XVY25XWY/XTBY30XW35XW25R/C25LR/LC30R/C30LR/LC35R/C/RH/CH35LR/LC/LRH/LCH45R/C/RH/CH45LR/LC/LRH/LCH55R/C/RH/CH55LR/LC/LRH/LCH65R/C65LR/LC12 CAM/CRM12 HRM14 CAM/CRM17 CAM/CRM21 CA/CR27 CA/CR35 CA/CR50 CA/CR77W99N9W9WN1212N12W12WN1515N15W15WN2025
QZUU
106.6121.6124.2143.2141.6158.6160.4185.4180.2210.2212246246.4288.4303.6354.6
82.599.193
111.8109.8132.8151.5168.3132.5151.7153.9176.4176.9202.4209.8242.6244.4281.6271.3331.3---82.498.2
117.6158.8196.6----------------
QZSS QZDD QZZZ QZKK QZSSHH QZDDHH QZZZHH QZKKHH
101.2116.2117.8136.8134.4151.4151.8176.8170.4200.4202.2236.2235.2277.2291.2342.2
76.793.386.1
104.9102.4125.4143.4159.3124.9144.1144.1166.6166.7192.2199.6232.4234.2271.4260.7320.7---79.493.2
111.8151.4188.4----------------
105.4120.4121.8140.8139.2156.2158183177.8207.8208.8242.8243.2285.2300.4351.4
81.397.990.6
109.4107.4130.4149.1165.9130.1149.3151.5174174.5200206.6239.4241.2278.4268.1328.1---81.296.6
115.2156.4194.2----------------
100115115.4134.4132149149.4174.4168198199233232274288339
75.592.183.7
102.5100123141156.9122.5141.7141.7164.2164.3189.8196.4229.2231268.2257.5317.5
5871.470.778.291.6
109.4149186--52.462.460.672.35669.166.181.169.28781.7100.9
83.2112.6
92.2107.2109.4128.4127.6144.6142.4167.4162.2192.2191225225.4267.4278.6329.6
68.585.17997.895.8
118.8133.5150.3118.5137.7136.7159.2159.7185.2189.2222223.4260.6246.9306.9---68.483.6
103139.4175.6----------------
86.8101.8103122120.4137.4133.8158.8152.4182.4181.2215.2214.2256.2266.2317.2
62.779.372.190.988.4
111.4125.4141.3110.9130.1126.9149.4149.5175179211.8213.2250.4236.3296.3---65.478.697.2
132167.4----------------
89.8104.8105.4124.4121.6138.6136161154.8184.8182.8216.8216.6258.6268.6319.6
65.181.773.191.990
113127.8143.3112.8132131153.5152.9178.4181.6214.4214.7251.9238.2298.2---668098.6
134.4169.2----------------
84.499.499
118114.4131.4127.4152.4145175173207205.4247.4256.2307.2
59.375.966.28582.6
105.6119.7134.3105.2124.4121.2143.7142.7168.2171.4204.2204.5241.7227.6287.6
4760.455.5637592.8
127161
33.44140.850.84960.744.457.154.569.55572.867.586.56697
84.499.499
118114.4131.4127.4152.4145175173207205.4247.4256.2307.2
59.375.966.28582.6
105.6119.7134.3105.2124.4121.2143.7142.7168.2171.4204.2204.5241.7227.6287.6
4760.455.5637592.8
127161
33.44140.850.84960.744.457.154.569.55572.867.586.56697
64.479.4799892
109106131122152140174171213221272
40.356.947.766.5608397
110.982.8
10298
120.5109.5135138.2171163.3200.5186246
3750.445.5515972.8
107141
23.43130.840.83950.734.447.144.559.54360.855.574.55077
Unit: mm
8
HSR
SRW
SRG
SRG/SRN
Model No.
L
Standard LMblock length
15S20S20253035456515A/V20A/V20LA/LV25C/R25LC/LR30C/R30LC/LR35C/R35LC/LR45C/R45LC/LR55C/R55LC/LR65LC/LV708510015A/B/R/YR20A/B/R/CA/CB/YR20LA/LB/LR/HA/HB25A/B/R/CA/CB/YR25LA/LB/LR/HA/HB30A/B/R/CA/CB/YR30LA/LB/LR/HA/HB35A/B/R/CA/CB/YR35LA/LB/LR/HA/HB45A/B/R/CA/CB/YR45LA/LB/LR/HA/HB55A/B/R/CA/CB/YR55LA/LB/LR/HA/HB65A/B/R/CA/CB/YR65LA/LB/LR/HA/HB25XR/XA/XB25XLR/XLA/XLB30R/A/B30LR/LA/LB35R/A/B35LR/LA/LB45R/A/B45LR/LA/LB55R/A/B55LR/LA/LB65R/A/B65LR/LA/LB99N9W9WN1212N12W12WN1515N15W15WN
QZUU
106.9124.5143.5158.6185.4210.2246354.6
—129.6149.6154.1173.7171.6195.6188.8218.8224.4259.4264.4314.4389.8259.4314.4389.8108124.2140.2131.8150.9150.7173.3166.8192.2
——————
132.5151.7153.1175.6176.9202.4211243244.7281.9271.9331.9
————————————
QZSS QZDD QZZZ QZKK QZSSHH QZDDHH QZZZHH QZKKHH
101.4118137151.4176.8200.4236.2342.2
—127.6147.6147.7167.3164.6188.6181211215.2250.2255.2305.2378.6250.2305.2378.6100116132123.8142.9142.7165.3157182.4
——————
124.9144.1144.1166.6166.7192.2200.8232.8234.5271.7261.3321.3
————————————
105.4122141156.2183207.8242.8351.4
—127.2147.2151.7171.3169.2193.2186.4216.4221.2256.2261.2311.2391.6256.2311.2391.6106.8121.8137.8129.4148.5148.3170.9164.4189.8
——————
130.1149.3150.7173.2174.5200207.8239.8241.5278.7268.7328.7
————————————
100.4115.5134.5149174.4198233339
—125.2145.2145.3164.9160.8184.8178.6208.6212247252302380.4247302380.4
98.8113.6129.6121.4140.5140.3162.9154.6180
——————
122.5141.7141.7164.2164.3189.8197.6229.6231.3268.5258.1318.1
————————————
92.2109.4128.4144.6167.4192.2225329.6
—113133135.5155.1153177171.2201.2203.4238.4243.4293.4370.4238.4293.4370.4
92.2110.2126.2117.8136.9132.7155.3148.8174.2186.4218.2213.2251.3239298.5118.5137.7135.1157.6159.7185.2190222223.7260.9246.9306.9
————————————
86.8103122137.4158.8182.4215.2317.2
—111131130.5150.1146170163.4193.4194.2229.2234.2284.2354.2229.2284.2354.2
84.2102118109.8128.9124.7147.3139164.4176.6208.4202240.1226.6286.1110.9130.1126.1148.6149.5175179.8211.8213.5250.7236.3296.3
————————————
89.8105.4124.4138.6161184.8216.8319.6
92.6109.6129.6130.5150.1148172162.8192.8194.2229.2234.2284.2354.2229.2284.2354.2
87.6104.4120.4112.1131.2127149.6142167.4181.6213.4208.4246.5233.8293.3112.8132129.4151.9152.9178.4182.4214.4215252.2238.2298.2
————————————
84.499
118131.4152.4175207307.2
90.6107.6127.6125.5145.1141165155185185220225275343220275343
79.696.2
112.2104.1123.2119141.6132.2157.6174.8206.6197.2235.3221.4280.9105.2124.4120.4142.9142.7168.2172.2204.2204.8242227.6287.6
————————————
84.499
118131.4152.4175207307.2
90.6107.6127.6125.5145.1141165155185185220225275 343220275343
79.696.2
112.2104.1123.2119141.6132.2157.6174.8206.6197.2235.3221.4280.9105.2124.4120.4142.9142.7168.2172.2204.2204.8242227.6287.6
40.850.84960.74557.754.569.554.972.767.586.5
64.47998
109131152174272
69.286.2
106.295.5
115.1111 135 125155155190185235303190235303
56.6749083.1
102.298
120.6109.4134.8139170.8163201.1186245.5
82.8102
98120.5109.5135139171162.8200185.6245.6
30.840.83950.73547.744.559.542.960.755.574.5
NR/NRS
RSR
Units: mm
SCR
Model No. Type of LM block
With QZLubricatorattached
LM rail length(in mm)
With steeltape attached Number of rails used
on the same plane
Number of LM blockson the same rail
Symbol for dustprevention
option
Symbol for radial clearanceNormal (no symbol), light preload (C1), medium preload (C0)
Accuracy symbolNormal grade (no symbol), high grade (H), precision grade (P),super precision grade (SP), ultra-super precision grade (UP)
This model number indicates that a single-rail unit constitutes one set (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum).
Those models attached with the QZ Lubricator cannot have a grease nipple.Note
SHS25 LC 2 QZ KKHH C0 +1200L P Z -ⅡExample of model number coding
9
Laminated ContactScraper LaCS
For locations with an adverse atmosphere, Laminated Contact Scraper LaCS is available.LaCS removes minute foreign material adhering to the LM rail in multiple stages and prevents it from enteringthe LM block with its laminated contact structure (3-layer scraper).
Features● Since the 3 layers of scrapers fully contact the LM rail,
LaCS is highly capable of removing minute foreignmaterial.
● Since it uses oil-impregnated foam synthetic rubber with aself-lubricating function, low friction resistance is achieved.
Basic Specifications of LaCS● Service temperature range of LaCS: -20℃ to +80℃● Resistance of LaCS: see the table below.
Ball
Ball cage
Liquid
Large amount of foreign material
Laminated Contact Scraper LaCS
Optimal for use in harsh environmentssubject to foreign material such as finedust and liquids.
Note 1: LaCS is not sold alone.Note 2: For the maximum service speed of LaCS, contact THK.
Note: Each resistance value in the table represents the maximum resistance value of LaCS when one unit of LaCS is attached on each of both sides of the LM block.However, the value does not include the sliding resistance of the LM block, seals, etc.
SHS
1520253035455565
Resistance of LaCS(excluding sliding resistance of the LM block and other seals)
5.96.98.1
12.815.1
5.26.5
11.718.220.826.032.539.0
Unit: N
Model No. Model No. Model No. Model No.Resistance Resistance Resistance Resistance
SSR
1520253035
SNR/SNS
SHW
253035
21273550
8.113.415.5
3.96.5
13.019.5
SCR
15202530
5.26.5
11.718.2
SRG
20253035455565
6.16.98.29.1
14.318.226.0
SRN5565
18.222.1
SRW7085100
32.839.758.3
HSR
1520253035
3.85.67.5
14.922.4
NR/NRS
25303545556585
8.113.415.523.328.639.652.7
SRS
99W12
12W15
15W2025
2.33.33.54.25.17.55.27.8
SNR/SNS
45556585
23.328.639.652.7
SCR354565
20.826.039.0
SRN3545
9.114.3
10
Performance
Item Description
Testedmodel
Maximum speed
Environmentalconditions
No. 1
No. 2
SHS45R1SS + 3000L (without LaCS)
SHS45R1SSHH + 3000L (with LaCS)
200 m/min
Coolant sprayed: 5 times/day
[Test conditions]Test environment: water solublecoolant
Magnified view of the end seal lip
No. 1without LaCS
No. 2with LaCS
0 1000 2000 3000 4000 5000
Distance traveled (km)
End seal lip fractured at 1,700 km
Still running after traveling 5,000 km
[Test result]
Item Description
Testedmodel
Maximum speed, acceleration
No. 1
No. 2
SNR45R1DD + 600L (with double seals)
SNR45R1HH + 600L (with LaCS only)
60 m/min; 1G
9.6 kN
Type: FCD450#115 (particle diameter: 125 mm or less)
Sprayed amount: 1 g/hour (total sprayed amount: 120 g)
External load
Foreignmaterial
conditions
[Test conditions]Test environment: environment withminute foreign material
n=1
n=2
n=3
n=1
n=2
n=3
Seal configuration Amount of foreign materialentering the raceway: g
Sample No.1Conventional dust
prevention (double end-seal)
Sample No.2LaCS
0.3
0.3
0.3
0.0
0.0
0.0
[Test result]Amount of foreign material entering theraceway
No. 1: without LaCS: lip fractured at 1,700 km
No. 2: with LaCS: no anomaly observed after traveling 5,000 km
fAreas marked with an arrow are fractured.
No. 1: traveled 100 km (with double seals)
No. 2: traveled 100 km (with LaCS only)
No foreign material entering the raceway is observed.
Large amount of foreign material has entered the ball raceway.
Lip has not been fractured
f
f
f
11
SNR/SNS
SSR
SHS
SHW
SRS
Model No.
LStandardLM block
length15C/V/R15LC/LV20C/V20LC/LV25C/V/R25LC/LV/LR30C/V/R30LC/LV/LR35C/V/R35LC/LV/LR45C/V/R45LC/LV/LR55C/V/R55LC/LV/LR65C/V65LC/LV15XVY15XWY/XTBY20XV20XW/XTB25XVY25XWY/XTBY30XW35XW25R/C25LR/LC30R/C30LR/LC35R/C/RH/CH35LR/LC/LRH/LCH45R/C/RH/CH45LR/LC/LRH/LCH55R/C/RH/CH55LR/LC/LRH/LCH65R/C65LR/LC85LR/LC12 CAM/CRM12 HRM14 CAM/CRM17 CAM/CRM21 CA/CR27 CA/CR35 CA/CR50 CA/CR77W99N9W9WN1212N12W12WN1515N15W15WN202515S20S202530
UU
85.2100.2102.4121.4121.6138.6140.4165.4160.2190.2182216216.4258.4273.6324.6
66.583.17795.889.8
112.8131.5148.3110.1129.3130.7153.2143.7169.2176.6209.4201.2238.4228.1288.1----70.482.297.6
138.8176.6----------------85.2102.5121.5138.6165.4
SS DD ZZ KK SSHH DDHH ZZHH KKHH
79.894.896
115114.4131.4131.8156.8150.4180.4172.2206.2205.2247.2261.2312.2
60.777.370.188.982.4
105.4123.4139.3102.5121.7120.9143.4133.5159166.4199.2191228.2217.5277.5----67.477.291.8
131.4168.4----------------79.996115131.4156.8
8499
100119119.2136.2138163157.8187.8178.8212.8213.2255.2270.4321.4
65.381.974.693.487.4
110.4129.1145.9107.7126.9128.3150.8141.3166.8173.4206.2198235.2224.9284.9----69.280.695.2
136.4174.2----------------84.4100119136.2163
78.693.693.6
112.6112129129.4154.4148178169203202244258309
59.576.167.786.580
103121136.9100.1119.3118.5141131.1156.6163.2196187.8225214.3274.3----66.275.689.4
129166--42.252.250.662.34658.756.171.157.27569.788.765.292.678.994113129154.4
72.287.289.4
108.4107.6124.6122.4147.4142.2172.2161195195.4237.4248.6299.6
50.767.360.379.173.196.1
110.8126.7
96.8116114.2136.7127.3152.8156.8189.6181.3218.5204.8264.8323.2---56.468.283.6
119.4155.6----------------72.289.4108.4124.6147.4
66.881.883
102100.4117.4113.8138.8132.4162.4151.2185.2184.2226.2236.2287.2
44.961.553.472.265.788.7
102.7117.7
89.2108.4104.4126.9117.1142.6146.6179.4171.1208.3194.2254.2312.2---53.463.277.8
112147.4----------------66.883102117.4138.8
69.884.885.4
104.4101.6118.6116141134.8164.8152.8186.8186.6228.6238.6289.6
47.363.954.673.467.490.4
105.1119.9
90.4109.6107.8130.3119.7145.2148.4181.2172.7209.9196.2256.2313.8---546478.6
114.4149.2----------------69.885.4
104.4118.6141
64.479.4799892
109106131122152140174171213221272
40.356.947.766.5608397
110.982.8
10298
120.5109.5135138.2171163.3200.5186246302.8
3750.445.5515972.8
107141
23.43130.840.83950.734.447.144.559.54360.855.574.5507764.47998
109131
64.479.4799892
109106131122152140174171213221272
40.356.947.766.5608397
110.982.8
10298
120.5109.5135138.2171163.3200.5186246302.8
3750.445.5515972.8
107141
23.43130.840.83950.734.447.144.559.54360.855.574.5507764.47998
109131
64.479.4799892
109106131122152140174171213221272
40.356.947.766.5608397
110.982.8
10298
120.5109.5135138.2171163.3200.5186246302.8
3750.445.5515972.8
107141
23.43130.840.83950.734.447.144.559.54360.855.574.5507764.47998
109131
Unit: mm
SCR
LM Block Length (Dimension L)with LaCS and Seals Attached (Standard LM block length)
Overall LM block length with LaCS attached
L
12
* A grease nipple cannot be attached on types ZZ and KK of model HSR15. Contact THK for details.
HSR
NR/NRS
SRG
SRW
Model No.
LStandardLM block
lengthUU
190.2216324.6-
109.6129.6122.7142.3140.2164.2158.8188.8194.4229.4224.4274.4349.8--
229.4274.4349.8-----82.4
101.8117.8112.9132131.8154.4143.2168.6-----------
110.1129.3130.7153.2143.7169.2177.8209.8201.5238.7228.7288.7------
SS DD ZZ KK SSHH DDHH ZZHH KKHH
180.4206.2312.2-
107.6127.6117.7137.3133.2157.2151181185.2220.2215.2265.2338.6--
220.2265.2338.6-----77.295.2
111.2105.3124.4124.2146.8135.6161-----------
102.5121.7121.7144.2133.5159167.6199.6191.3228.5218.1278.1------
187.8212.8321.4-
107.2127.2120.3139.9137.8161.8156.4186.4191.2226.2221.2271.2346.6--
226.2271.2346.6-----81.298.6
114.6108.6127.7127.5150.1140165.4-----------
107.7126.9128.3150.8141.3166.8174.6206.6198.3235.5225.5285.5------
178203309-
105.2125.2115.3134.9130.8154.8148.6178.6182217212262335.4--
217262335.4-----7692
108101120.1119.9142.5132.4157.8-----------
100.1119.3119.3141.8131.1156.6164.4196.4188.1225.3214.9274.9------
172.2195299.6-91.6
111.6105.5125.1123147139.2169.2171.4206.4201.4251.4322.6376.4422.2206.4251.4322.6376.4422.2---63.4*83.299.294.3
113.4109.2131.8120.6146151.4183.2175.4213.5198.4257.9259.6317---96.8
116113.4135.9127.3152.8157.6189.6181.6218.8204.8264.8237.6293.6267.1323.2307.2347.2
162.4185.2287.2-89.6
109.6100.5120.1116140131.4161.4162.2197.2192.2242.2311.4365.2411197.2242.2311.4365.2411---58.2*76.692.686.7
105.8101.6124.2113138.4144.2176168.2206.3191.2250.7252.4309.8---89.2
108.4104.4126.9117.1142.6147.4179.4171.4208.6194.2254.2226.6282.6256.1312.2295.6335.6
164.8186.8289.6
71.288.2
108.2100.5120.1118142132.8162.8164.2199.2194.2244.2314.2361.2406.2199.2244.2314.2361.2406.2---61.880.696.690.7
109.8105.6128.2117142.4146.2178170.2208.3193.2252.7252.8310.2---90.4
109.6107129.5119.7145.2149.2181.2173210.2196.2256.2229285257.7313.8297.8337.8
152174272
69.286.2
106.295.5
115.1111135125155155190185235303350395190235303350395---56.6749083.1
102.298
120.6109.4134.8139170.8163201.1186245.5245.6303334365396
82.8102
98120.5109.5135139171162.8200185.6245.6218274246.7302.8286.2326.2
152174272
69.286.2
106.295.5
115.1111135125155155190185235303350395190235303350395
24314556.6749083.1
102.298
120.6109.4134.8139170.8163201.1186245.5245.6303334365396
82.8102
98120.5109.5135139171162.8200185.6245.6218274246.7302.8286.2326.2
152174272
69.286.2
106.295.5
115.1111 135 125155155190185235303350395190235303350395
24314556.6749083.1
102.298
120.6109.4134.8139170.8163201.1186245.5245.6303334365396
82.8102
98120.5109.5135139171162.8200185.6245.6218274246.7302.8286.2326.2
Unit: mm
SRG/SRN
SRG
SCR35456515A/V20A/V20LA/LV25C/R25LC/LR30C/R30LC/LR35C/R35LC/LR45C/R45LC/LR55C/R55LC/LR65LC/LV85LC100LC70LR85LR100LR130LR150LR8RM10RM12RM15A/B/R/YR20A/B/R/CA/CB/YR20LA/LB/LR/HA/HB25A/B/R/CA/CB/YR25LA/LB/LR/HA/HB30A/B/R/CA/CB/YR30LA/LB/LR/HA/HB35A/B/R/CA/CB/YR35LA/LB/LR/HA/HB45A/B/R/CA/CB/YR45LA/LB/LR/HA/HB55A/B/R/CA/CB/YR55LA/LB/LR/HA/HB65A/B/R/CA/CB/YR65LA/LB/LR/HA/HB85A/B/R/CA/CB/YR85LA/LB/LR/HA/HB100HA/HB/HR120HA/HB/HR150HA/HB/HR25XR/XA/XB25XLR/XLA/XLB30R/A/B30LR/LA/LB35R/A/B35LR/LA/LB45R/A/B45LR/LA/LB55R/A/B55LR/LA/LB65R/A/B65LR/LA/LB75R/A/B75LR/LA/LB85R/A/B85LR/LA/LB100R/A/B100LR/LA/LB
Model No. Type of LM block
With QZLubricatorattached
LM rail length(in mm)
With steeltape attached Number of rails used
on the same plane
Number of LM blockson the same rail
Symbol for dustprevention
option
Symbol for radial clearanceNormal (no symbol), light preload (C1), medium preload (C0)
Accuracy symbolNormal grade (no symbol), high grade (H), precision grade (P),super precision grade (SP), ultra-super precision grade (UP)
This model number indicates that a single-rail unit constitutes one set (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum).
Those models attached with the QZ Lubricator cannot have a grease nipple.Note
SHS25 LC 2 QZ KKHH C0 +1200L P Z -ⅡExample of model number coding
13
LaCS End plate
Grease nipple
:Reference surfaceK
H
Grease nipple mounting location for models SHS, SSR, SNR/SNS,SRG and NR/NRS
Table of Incremental Dimension of a Grease Nipple when LaCS is Attached
Unit: mm
Model No.Incremental
dimension withgrease nipple H
15C/LC15R/V/LV20C/LC20V/LV25C/LC25R/LR/V/LV30C/LC30R/LR/V/LV35C/LC35R/LR/V/LV45C/LC45R/LR/V/LV55C/LC55R/LR/V/LV65C/LC65V/LV15XVY/XWY15XTBY20XV/XW20XTB25XVY/XWY25XTBY30XW35XW25C/LC25R/LR30C/LC30R/LR35C/LC/CH/LCH35R/LR/RH/LRH45C/LC/CH/LCH45R/LR/RH/LRH55C/LC/CH/LCH55R/LR/RH/LRH65C/LC65R/LR35LC35LR45LC45LR55LC55LR65LC65LR
Nipple type
SHS
SSR
SNR/SNS
SRG
PB107PB107PB107PB107PB107PB107A-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6FPB107PB107PB107PB107PB107PB107
PB1021BPB1021BPB1021BPB1021BPB1021BPB1021B
A-M6FA-M6FA-M6FA-M6FA-M6FA-M6F
A-PT1/8A-PT1/8A-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6FA-M6F
-4.7-4.5-4.7-7.4-7.4-7.7-7.4-6.94.4-4.6-4.5-55-4.9-4.5-7.8-7.9-7.7-
15.8-7.2-7.2-7.2-6.2
Model No.Incremental
dimension withgrease nipple H
25X A/B/LA/LB25X R/LR30A/B/LA/LB30R/LR35A/B/LA/LB35R/LR45A/B/LA/LB45R/LR55A/B/LA/LB55R/LR65A/B/LA/LB65R/LR
Nipple type
NR/NRS
Grease nipple mounting location for models SHW, SRS and HSR
LaCS End plate
Grease nipple
E
-4.8-4.5-7.4-7.4-6.9-
15.3
PB1021BPB1021BPB1021BPB1021B
A-M6FA-M6FA-M6FA-M6FA-M6FA-M6F
A-PT1/8A-PT1/8
Model No.Incremental
dimension withgrease nipple E
21CA/CR27CA/CR35CA/CR50CA/CR2515A/B/R/YR20A/B/R/CA/CB/YR20LA/LB/LR/HA/HB25A/B/R/CA/CB/YR25LA/LB/LR/HA/HB30A/B/R/CA/CB/YR30LA/LB/LR/HA/HB35A/B/R/CA/CB/YR35LA/LB/LR/HA/HB
Nipple type
SHW
SRS
HSR
4.210.71021
42.9
9.4
9
9
8
PB1021BB-M6FB-M6F
B-PT1/8PB1021BPB1021B
B-M6F
B-M6F
B-M6F
B-M6F
When desiring to attach a grease nipple in other than the above locations, contact THK.Those models attached with the QZ Lubricator cannot have a grease nipple. When desiring both the QZ Lubricator and a grease nipple to be attached,contact THK.With "ZZ" and "KK" types of model HSR15, a grease nipple is not available. Contact THK for details.
Note
Unit: mm Unit: mm
14
SNR45 LR 1 QZ ZZHH YY C1 +1200LWith Side Scraper attached
Example of model number coding
Note 1: The side scraper is not sold alone.Note 2: The side scraper can be attached with other various options including dust control parts and lubrication parts. Contact THK for
details.
Model No.Corner radius
r(max)Shoulder height for the LM rail
H1E
253035455565
11111.51.5
23.55.58
10.511
2.74.26.28.8
11.212.1
Unit: mm
SideScraper
Features●Minimizes the entry of foreign material from the side face of
the LM Guide in a harsh environment.● Provides a dust prevention effect in an inverted or wall-
mount orientation.
LM block
Side scraper separator
QZ Lubricator
End seal
Metal scraper
Intermediate plate
LaCS
End plate
Side scraper
Side scraper case
Schematic of side scraper installation (this example shows QZZZHHYY type)
Side face of the LM block
Foreign material
Foreign material
Foreign material
Inverted Wall mount
Route of the entry of foreign materialinto the LM block's side face
H1E r
r LaCS End plate
Grease nipple
:Reference surface
K
H
Table of Incremental Dimension of a Grease Nipple when Side Scraper is Attached
Model No.Incremental dimension
with grease nipple H
Nipple type
25LR/LC30LR/LC35LR/LC/LRH/LCH45LR/LC/LRH/LCH55LR/LC/LRH/LCH65LR/LC/LRH/LCH
SNR/SNSSNR/SNS
PB1021BPB1021B
A-M6FA-M6FA-M6F
A-PT1/8
4.54.55.45.45.48
Unit: mm
Height of the shoulder of the mounting surface and the corner radius after a side scraper is mounted Grease nipple mounting position
15
Light Sliding ResistanceContact Seal LiCS LiCS
LiCS is a contact seal with a low sliding resistance. It is effective in removing dust and the like from theraceway and retaining a lubricant such as grease. With its very low sliding resistance, LiCS achieves asmooth and stable motion.
FeaturesLight Sliding Resistance Contact Seal LiCS is a contact seal thatuses a low sliding resistance material for the seal andcontacts with the LM rail raceway. It is optimal for locationsrequiring a low sliding resistance such as semiconductor-related machines, inspection machines and OA equipment,which are used in favorable service conditions.
● Effective in removing dust or the like adhering to the LM rail raceway witha seal that contacts the raceway.
● Use of oil-impregnated, foamed synthetic rubber, which is high self-lubricating, achieves a low sliding resistance.
* LiCS model SSR is attached with a grease nipple as standard. For themounting location of the grease nipple and the incremental dimension withthe grease nipple attached, see page 16.
* LiCS models include types that also support other Caged Ball LMGuide models such as SHS. Contact THK for details.
Basic Specifications of LiCS● Service temperature range: -20℃ to +80℃● Resistance of LiCS: For seal resistance of LiCS, see
the table below.
LiCS
Note: Each value represents the sliding resistance of 2 LiCS units per LM block,one unit on each end, and excludes the sliding resistance of the blockand any other seals.
Maximum Seal Resistance of LiCS
Model No.
15X
20X
25X
30X
35X
15X
SSR
SRG
Resistance
1
1.1
1.6
1.6
2
0.7
Unit: N
Note: LiCS is not sold alone.
16
(Standard LM block length)
Overall LM block length with LiCS attached
L
Model No.
L
Standard LMblock length
15XVY15XWY/XTBY20XV20XW/XTB25XVY25XWY/XTBY30XW35XW15A15V
GG PP
SSR
SRG
48.765.355.874.667.690.6106.7121.77777
48.765.355.874.667.690.6
106.7121.7
7777
40.356.947.766.5608397
110.96767
Unit: mm
Model No.Incremental dimension
with grease nipple Nipple type
15XVY15XWY/XTBY20XV20XW/XTB25XVY25XWY/XTBY30XW35XW15A15V
SSR
SRG
PB1021BPB1021B
B-M6FB-M6FB-M6FB-M6FB-M6FB-M6FPB107PB107
2.92.9999998ーー
Unit: mm
Grease-nipple mounting position for model SSR Grease-nipple mounting position for model SRG
ELiCS End plate
Grease nipple
K
H
LiCS End plate
Grease nipple
:Reference surface
E H
ーーーーーーーーー*
4.5
Table of Incremental Dimension of a Grease Nipple when LiCS is Attached
Table of Incremental Dimension of a Grease Nipple when LiCS is Attached
* Since this model is a flanged type, the grease nipple does not protrude from the block end face.
Model No. Type of LM block
With LiCSattached
LM rail length(in mm)
Number of rails used onthe same plane
Number of LM blockson the same rail
Symbol for radial clearanceNormal (no symbol), light preload(C1), medium preload (C0)
Accuracy symbolNormal grade (no symbol), high grade (H), precision grade (P),super precision grade (SP), ultra-super precision grade (UP)
SSR20 XW 2 GG C1 +600L P -ⅡExample of model number coding
This model number indicates that a single-rail unit constitutes one set (i.e., required number of sets when 2 rails are used in parallel is 2 at a minimum).Note
17
Metal Cap Dedicated for LM Rail Mounting Holes
Mounting methodTo insert GC cap into a mounting hole, use a flat metalpiece like the one shown in the figure, and gradually drive themetal cap until its top is on the same level as the LM rail topface. When inserting GC cap, do not remove the LM blockfrom the LM rail.
GC Cap
GC cap is a metallic cap that plugs the LM rail mounting hole (article compliant with the RoHSDirectives). It prevents the entrance of foreign material and coolant from the LM rail top face (mounting hole)under harsh environments, and significantly increases the dust control performance of the LM Guide if usedwith a dust control seal.
Features● Eliminates the clearance between the mounting hole
(counterbore hole) and itselfSince GC Cap is driven into a mounting hole (counterborehole), it does not leave a clearance.
● Demonstrates a sealing effect over a long period due tosuperb resistance to wearIf a dust control seal or the like passes over the top face of theLM rail to which foreign material adheres, a downward force fromthe top of GC cap is generated.
Since the metal cap has a sufficient retention, it does not sinkeven in such a case.
GC CapLM rail
Magnified view
LM rail mounting bolt
GC Cap
LM rail
Eliminates the clearance
Does not sink
Adherence of foreign material
Dust control seal passes
Dust control seal
Metal piece
Plastic hammer
18
Note 1: The LM rail of an LM Guide model attached with GC cap is of special type.
Note 2: GC cap cannot be mounted on an LM rail made of stainless steel or provided with surface treatment.
Note 3: If using the product in a special environment such as vacuum, low temperature or high temperature, contact THK.
Note 4: GC cap is not sold alone. It is always provided in combination with LM Guide.
Note 5: The mouth of the LM rail mounting hole is not chamfered. Take care not to hurt your hand when attaching GC cap.
Note 6: After attaching GC cap, be sure to level and clean (wipe off) the tope face of the LM rail.
Note 7: If you desire a one-rail LM Guide model attached with GC cap, apply the following example of model number coding.
Applicable modelsGC Cap supports various models.
GC cap is capable of demonstrating a substantial effect under various environments.
If designating an LM Guide model attached with GC cap, observe the following example of model number coding.
Model No.LM rail
mountingbolt
LM Guide model number
SSR SR SNRSNS
NRNRS
SHSHSRHCR
SCRCSR
SHWHRW
SRGSRN SRW GSR HR NSR-
TBC
M5
M6
M8
M10 M12M14
M16
M22M24
2025Y30
35
———
—
——
2025Y30
35
45 55 —7085—
120
25
30
35
—45 55
65
85 —
25X
30
35
—45 55
65
85 —
20
25
3035—45 55
65
85 100
20
25
3035—45 —
65
——
—
35
50
60 ——
—
——
20
25
3035—45 55
65
85 100
—
—
—
7085
100
130
150—
20
25
30
35——
—
——
2042
—
255530653575 4085
—
50105
——
202530
40
50 70 —
—
——
GC5
GC6
GC8
GC10 GC12GC14
GC16
GC22GC24
Service environmentLM Guide
Use exampleAttached with standard C cap Attached with GC cap
Adverseenvironment
Amount offoreign
material -small
Metallic powder, spatterWood dust, coolant(environment where oil is lost)Metallic powder + coolantMetallic powder, spatterWood dust, coolant(environment where oil is lost)Metallic powder + coolant
○
○
○△
△
△
◎
◎
◎◎
◎
◎
Welding machine, robot Woodworking machine,
washing machine Lathe, machining centerWelding machine, robot Woodworking machine,
washing machine Lathe, machining center
Amount offoreign
material -large
◎:very effective ○:effective △:less effective
Dimensional tableUnit: mm
Model No. Outer diameter D Thickness H
GC5 9.86 2.5GC6 11.36 2.5GC8 14.36 3.5
GC10 17.86 3.5GC12 20.36 4.6GC14 23.36 5.0GC16 26.36 5.0GC22 35.36 5.0GC24 39.36 5.0
φD
H
Example:SNR45LR2QZKKHHC0+1200LPGCWith GC cap* Add the symbol “GC” at the end of the model number.
SNR45 LR 2 QZ KKHH C0 + 1200L P -ⅡGC
Symbol of number of rails used on the same plane (see Note 7)
Example of model number coding
Modelnumber
Type of LM block
With QZLubricator
Number of LM blocks per rail
Dust controloption symbol
LM rail length(in mm)
With GC cap (see Note 7)
Radial clearance symbolNormal (no symbol)/light preload (C1)Medium preload (C0)
Accuracy symbolNormal grade (no symbol) / high-accuracy grade (H) / precision grade (P)Super precision grade (SP) / ultra-precision grade (UP)
Precautions on UseQZ Lubricator for the LM Guide
� Handling� Dropping or hitting this product may damage it. Take much care when handling it.� Do not block the air vent with grease or the like (see page 5).
� Service environment� The service temperature range for this product is between -10℃ and +50℃. Do not clean the product with an organic solvent or
white kerosene, or do not leave the product unpacked. When desiring to use the product out of the service temperature range,contact THK in advance.
� Use in a special environment� When desiring to use the product in a special environment, contact THK in advance.
� Precaution on selection� The stroke must be equal to or longer than the overall LM block length with QZ Lubricator attached.
� Rust prevention of the LM Guide� QZ Lubricator is a device designed to feed the required minimum amount of lubricant to the raceway, and therefore it does not have
a dust-prevention effect on the whole LM Guide. When using it in an adverse environment subject to a coolant or the like, werecommend applying grease or the like to the mounting base surface and the rail ends of the LM Guide as an anticorrosivemeasure.
Laminated Contact Scraper LaCS and Side Scraper for the LM Guide� Service environment
� The service temperature range is between -20℃ and +80℃. Do not clean the product with an organic solvent or white kerosene, ordo not leave the product unpacked.
� Impregnating oil� The purpose of the lubricant impregnated in the scraper is to increase the slidability of the scraper. For lubrication of the LM Guide,
attach a grease nipple on the end plate side face of QZ Lubricator or the LM block before feeding oil.� Functions
� Although these products have a dust prevention ability to remove foreign material and liquids, they require an end seal to sealgrease and oil.
� Design� When using these products, be sure to use the rail cap “GC” and a plate cover.
Light Sliding Resistance Contact Seal LiCS for the LM Guide� Service environment
� The service temperature range is between -20℃ and +80℃. Do not clean the product with an organic solvent or white kerosene, ordo not leave the product unpacked.
� Since the product contacts the LM rail raceway only, do not use it in a harsh environment.� Impregnating oil
� The purpose of the lubricant impregnated in LiCS is to increase the slidability of the seal. For lubrication of the LM Guide, attach agrease nipple on the end plate of the LM block before feeding oil.
GC Cap� Handling
� If you selected the GC Cap, take much care not to hurt your finger or hand when attaching the metal cap to the LM system since themouth of the LM rail mounting hole is sharp.
� When attaching the GC Cap, gradually drive the metal cap from the top surface of the LM rail using a flat metal piece until the metalcap top is on the same level as the top surface of the rail, and then smooth out the top surfaces of the rail and the GC Cap usingsandpaper, oil stone or the like so that the surfaces become even, before using the product.
Options for the LM Guide
● “LM GUIDE,” “ ,” and “ ,” are registered trademarks of THK CO., LTD.● The photo may differ slightly in appearance from the actual product.● The appearance and specifications of the product are subject to change without notice. Contact THK before placing an order.● Although great care has been taken in the production of this catalog, THK will not take any responsibility for damage resulting from typographical errors or omissions.● For the export of our products or technologies and for the sale for exports, THK in principle complies with the foreign exchange law and the Foreign Exchange
and Foreign Trade Control Law as well as other relevant laws.For export of THK products as single items, contact THK in advance. All rights reserved
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