Knuckle

Knuckle Joint Press

Increasing quantities, a higher level of accuracy and higher material strengths – the requirements in sheet metal forming are clearly defined.

A knuckle joint press is a press machine that uses a knuckle joint mechanism to generate a high force over a short stroke. The knuckle joint mechanism is a four-bar linkage that consists of two connecting rods and a knuckle pin. When the connecting rods are driven, the knuckle pin is forced to move in a circular path, which causes the press ram to descend.

Knuckle joint presses are typically used for high-speed, high-precision metal forming applications, such as blanking, piercing and coining. They are also used in some plastic forming and composite materials forming applications.

Description

Technical Specification

Nominal Force 250 Tons 400 Tons 630 Tons 1000 Tons
Ram Stroke mm 120 130 150 170
Speed spm 60 50 40 32
Shut Height (SDAU) mm 300 375 420 470
Ram Adjustment mm 12 12 16 16
Bed Dimensions (LR x FB) mm 400 x 400 500 x 500 630 x 630 800 x 800
Lower Knockout Stroke mm 70 80 110 120
Force ton 8 12 20 32
Upper Knock Out Stroke mm 10 10 10 16
Main Drive Electric Motor hp 10 20 30 40
Ram Adjustment Motor hp 1 1 1 1
Lubrication Motor hp 0.5 0.5 0.5 0.5
Overall Dimensions mm 1750 x 1150 1980 x 1240 2200 x 1500 2700 x 1600
Height from floor Level mm 2585 2800 3600 3925