Jack ScrewsJack ScrewsPurpose Purpose Jack screws provide Jack screws provide adjustable height support for adjustable height support for machining or measurement machining or measurement operations.operations.

Location Jack screws are located in cabinet #10

How it’s used

Step 1:Choose a jack screw (or jack screws) which allows for needed ranges in height.

Step 2:Place the jack screw(s) in the needed support location(s) with respect the part or assembly.

Step 3:Adjust the jack screw to the desired height by rotating the screw

CW rotation: increases height CCW rotation: decreases height

Step 4:Perform operations when jack screws are correctly placed.

Safety

When machining (milling in particular), with jack screws, identify if additional support is needed. Using clamps are one method of additional support.

Clamps

Jack Screw

Vendor InformationVendor Information

McMaster-CARR: McMaster-CARR: www.mcmaster.cowww.mcmaster.comm search for search for jack jack screwsscrews