ACME Machine Screw Jack used for Metal Sheet Cutting Machine
The trapezoidal screw jacks ( also named acme screw jacks or self locking Screw Jacks )are widely used for metal sheet cutting machine.The most common used jacks are vertical screw jacks with top plate . Please see the picture as below: The vertical screw jack with top plate is used for conditions which needs anti-backlash function. More screw jack supplies at http://www.ludetransmission.com/