HYDRAULIC UNSCREWING DEVICE Calculations/Specifications
HYDRAULIC UNSCREWING DEVICE Applications
Working Cylinder Stroke Unscrewing force available at different hydraulic pressures (PSI)
APPLICATIONS Required DME Component List Application A QTY DESCRIPTION ZG-xx-yyy 1 Hydraulic Cylinder ZS-xx 2 Alignment Plate ZB-xx-y 1 Flange-Version 3 ZZ-xx-yy 2 S.A.E. Rack ZL-xx-yy 1 Cam Riser ZF-yyyy ITEM NO.
Application A Without guiding thread with cam
Application B With guiding thread
Working Stroke
lb f
6 Guideways for Racks & Cam
Application B
ITEM NO. QTY DESCRIPTION ZG-xx-yyy 1 Hydraulic Cylinder ZS-xx 4 Alignment Plate ZB-xx-y 1 Flange-Version 1 ZZ-xx-yy 1 S.A.E. Rack ZF-yyyy 6 Guideways for Rack
PSI
A (PISTON)
B (SHAFT)
1,160 PSI
1,450 PSI 1,102 lb f 2,810 lb f 6,992 lb f
1,740 PSI 1,326 lb f 3,395 lb f 8,409 lb f
2,030 PSI 1,529 lb f 3,957 lb f 9,802 lb f
2,175 PSI 1,664 lb f 4,204 lb f 10,476 lb f
Ø.984" Ø1.575" Ø2.480"
Ø.630" Ø.866" Ø1.417"
887 lb f
2,248 lb f 5,598 lb f
Application C
NOTE: “A” is the bore size of the ZG Base Construction Hydraulic Cylinder.
ITEM NO. QTY DESCRIPTION ZG-xx-yyy 2 Hydraulic Cylinder ZS-xx 4 Alignment Plate ZB-xx-y 2 Flange-Version 1 ZZ-xx-yy 2 S.A.E. Rack ZF-yyyy 4 Guideways for Racks
Returning Cylinder Stroke Force available at different hydraulic pressures (PSI)
Return Back
Application D
lb f
ITEM NO. QTY DESCRIPTION ZG-xx-yyy 1 Hydraulic Cylinder ZS-xx 2 Alignment Plate ZB-xx-y 1 Flange-Version 2 ZZ-xx-yy 1 Cam Riser ZF-yyyy 2 Guideways for Cam NOTE: Moldmaker should provide limit switches for fully closed and for cylinder extended. Full cylinder extension should be avoided to improve internal cylinder seal life.
PSI
Safety Protection Box fabricated by moldmaker completely covers full movement of Unscrewing Device.
A (PISTON)
B (SHAFT)
1,160 PSI
1,450 PSI
1,740 PSI
2,030 PSI
2,175 PSI
A complete Engineering Design Guide, plus separate
Ø.984" Ø1.575" Ø2.480"
Ø.630" Ø.866" Ø1.417"
517 lb f
652 lb f
787 lb f
922 lb f
989 lb f
1,574 lb f 3,777 lb f
1,978 lb f 4,721 lb f
2,361 lb f 5,665 lb f
2,743 lb f 6,587 lb f
2,967 lb f 7,081 lb f
example, are available at www.dme.net/hud
NOTE: “A” is the bore size of the ZG Base Construction Hydraulic Cylinder.
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U.S. 800-626-6653 ■ Canada 800-387-6600 ■ dme@milacron.com ■ www.dme.net ■ store.dme.net
U.S. 800-626-6653 ■ Canada 800-387-6600 ■ www.dme.net ■ store.dme.net
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