Main Types of Crushers

Cone Crusher

Horizontal Shaft Impactor

Vertical Shaft Impactor

Hammer crusherBlowbar Crusher

PRODUCTS

Based on type of crushers and operating conditions, AIAE/VEGA has developed alternative alloys for the following parts.

Horizontal shaft impactors

Blowbars, Hammers, Impact plates & Body liners.

Vertical Shaft impactors

Impellers Anvils.

ALLOYS

Type of Material

Components AIAE/VEGA SolutionExpected

Improvement

PrimaryLimestoneCrusher

Blowbars

Martensitic Steel C = 0.15 to 0.5 %, Cr = 2.5-11.5 %, Hardness = 48-55 HRC

30 % to 80 % better than Mn Steel

Martensitic Steel Sinter Cast: C = 0.15 to 0.5 %, Cr = 2.5-11.5 %, Hardness = 48-55 HRC

100% to 200 % better than Mn Steel.

Hammers

Martensitic Steel with Differential hardness. C = 0.15 to 0.5 %, Cr=2.5-11.5 %,  Hardness: At Hammer head: More than 48 HRC

30% to 80 % better than Mn Steel

Martensitic Steel Sintercast with Differential hardness. C = 0.15 to 0.5 %, Cr=2.5-11.5 %,  Hardness: At Hammer head: More than 48 HRC

100% to 200 % better than Mn Steel.

Type of material

Components AIAE/VEGA SolutionExpected Improvement

Secondary

/ TertiaryLimeston

ecrusher

Blowbar

Martensitic Steel C=0.15 to 0.5 %

Cr = 2.5-11.5 %, Hard.= 48-55 HRC

50% to 100% better than Mn Steel

Martensitic Steel Sinter Cast:C = 0.15 to 0.5 %,Cr = 2.5-11.5

%, Hardness = 48-55 HRC

100% to 200% better than Mn Steel.

Hi Chrome (V 25), C = 2.7-3.4 %,

Cr = 26-28 %, Hard = > 59 HRC

Consistence performance during life time

Hi Chrome Sinter cast (V 25),C=2.7-3.4 %,Cr = 26-28 %,Hardness = > 59 HRC

100% to 200% betterthan Hi -Cr.

Hammers

Martensitic Steel with Differential

hardness. C = 0.15 to 0.5 %, Cr=2.5-11.5 %, Hard: At Hammer head: > 48

HRC

50% to 100% better than Mn Steel.

Martensitic Steel Sinter Cast with Diff. hardness : C = 0.15 to 0.5 %, Cr = 2.5-11.5 %,

Hardness = 48-55 HRC

100 % to 200% better

than Mn Steel.

Clinker Hammers

Martensitic Steel Sinter Cast: C = 0.15 to 0.5 %,Cr = 2.5-11.5

%, Hardness = 48-55 HRC

100 % to 200% better than Mn Steel.

Model No: Fuller Eliptico Vibratory Crusher J.K. Lakshmi

HAMMERS

ALLOY WEAR LIFE COMPARISON

ALLOY

Average Crushing ( Tons)

Wear Rate ( gram/ton)

% Improvement

MANGANESE STEEL 170000 6.50  

MARTENSITIC STEEL 246980.8 4.79 45

MARTENSITIC SINTERCAST 300000 3.40 76.47

MARTENSITIC SINTERCAST WITH DIFF. HARDNESS 600000 1.65 367

ALLOY Total Limestone

crushing ( MT) Remark

MANGANESE STEEL 170000Customer have stopped using this

alloy

MARTENSITIC STEEL 246980.8 45% improvement over Mn steel

MARTENSITIC SINTERCAST 300000 76.47 % improvement over Mn steel

MARTENSITIC SINTERCAST WITH DIFF. HARDNESS ( First trial)

400000 135% improvement.

MARTENSITIC SINTERCAST WITH DIFF. HARDNESS ( Second trial)

490000

288 % Improvement over Mn steel. This time we had adopted improved

production method and ceramic design

MARTENSITIC Sintercast WITH DIFF. HARDNESS ( Third trial)

625000

367% improvement over Mn steel. apart from improved Production

method this time we have increased the surface area of Sinter to achieve higher life

DEVELOPMENT PROCESS

Sinter cast hammer as assembled condition at Laxmi cement for lime stone

TRAIL RESULTS OF MARTENSITIC STEEL SINTERCAST HAMMER WITH DIFF. HARDNESS

LS Hammer in Martensitic steel diff. hardness at

Lafarge-SPLC

1st set had performed better than the same alloy supplied by other suppliers. Martensitic steel Sintercast with diff. hard is under trial