Part Former Hot National 7-4
Specifications
| Manufacturer | National |
| Model | 7-4 |
| Condition | Used |
| Stock Number | MA2560 |
| Item condition | working condition, still under power not in production |
Description
Number of forming dies : 4
Production rate : 45- 70 ppm,
Forging tonnage : 1500 tons,
Max weight of part : 14.3 lbs,
Max cutoff diameter : 76 mm,
Max cutoff length : 155 mm,
Max die kickout : 155 mm,
Max punch kickout : 70 mm,
Part outer diameter : 165 mm,
1st die diameter : 228 mm,
2nd 3rd 4th die diameter : 298 mm,
1st 2nd 3rd 4th punch diameter : 222 mm,
Main motor : 370 kw,
Net weight : 495.000 lbs.
Complete with: fully adjustable four feed roll box / feed roll reversing
Pneumatically controlled feed roll gripping pressure / infinity variable adjustments of stock gage with length read out / water cooled quill die.
Punches feed rolls and feed roller shaft / individually adjustable die kickouts / overload relief on each die kickout lever / individual die caps / individually adjustable punch holders / individual adjustment of punch shut height / rapid kickout sleeve adjustor with hydraulic locknuts / fully timed transfer drive using straight-line vertical opening and closing / transfer setup fixture / recirculating oil lubrication system.