JZ21 Series Pressers are particularly useful to various clod stamping operation such as shearing, punching, blanking, bending shallow drawing in the manufacturing of eletric appliances metal toys, hardware jewelry and so on.
| Items | JZ21 series automatic open back press JZ21-14 | JZ21 series automatic open back press JZ21-16 | JZ21 series automatic open back press JZ21-20 | JZ21 series automatic open back press JZ21-25 |
|---|---|---|---|---|
| Nominal pressure(KN) | 140 | 160 | 200 | 250 |
| Ram stroke length(mm) | 50 | 50 | 80 | 80 |
| Strokes per minute(spm) | 80, 100 | 80, 100 | 60, 90 | 60, 90 |
| Depth of throat(mm) | 130 | 130 | 180 | 180 |
| Max. shut height adjustment(mm) | 40 | 40 | 55 | 55 |
| Table measurement(mm) | 230 x 370 | 230 x 370 | 330 x 485 | 330 x 485 |
| Opening in table(mm) | 150 x 230 | 150 x 230 | 200 x 310 | 200 x 310 |
| Distance between table and guide ways(mm) | 265 | 265 | 345 | 345 |
| Thickness of bolster(mm) | 40 | 40 | 45 | 45 |
| Measurement of ram bottom surface(mm) | 185 x 190 | 185 x 190 | 200 x 235 | 200 x 235 |
| Hole in ram for punch shank diameter(inch) | 1 | 1 | 1-1/2 | 1-1/2 |
| Hole in ram for punch shank depth(mm) | 40 | 40 | 60 | 60 |
| Hole in ram for punch shank number | 3 | 3 | 3 | 3 |
| Distance of columns(mm) | 230 | 230 | 320 | 320 |
| Max. feeding length(mm) | 55 | 55 | 80 | 80 |
| Max feeding width(mm) | 70 | 70 | 150 | 150 |
| Max feeding thickness(mm) | 1 | 1 | 1 | 1 |
| Max. stroke of left and right slides(mm) | 75 | 75 | 160 | 160 |
| Max stoke of front slide(mm) | 50 | 50 | 75 | 75 |
| Motor power(kw) | 1.5 | 1.5 | 2.2 | 3 |
| Machine net weight(kg) | 980 | 1100 | 1770 | 1900 |
| Overall dimension(mm) | 1860 x 917 x 1740 | 1860 x 917 x 1740 | 2160 x 1190 x 2005 | 2160 x 1190 x 2005 |
Main Products
gear hobbing machine, gear shaving machine, gear shaping machine, and other kinds if gear - making machines, some automobile parts & assemblies