The customer is machining valves made from 4140, using an OKK HM800S horizontal machining center, with 800 PSI (55 bar) water soluble coolant.
The customer was having issues with the thread quality and invited Allied to test its thread mill against Xactform.
The AccuThread 856 made a significant difference for the customerby meeting the goals of improved thread quality.
| Product: |
AccuThread 856 Indexable |
| Objectives: |
Improve thread quality |
| Industry: |
General machining |
| Part: |
Valves & fittings |
| Material: |
4140 |
| Hole Depth: |
2.0" (50.8 mm) |
The AccuThread 856 Indexable Threadmill
- TN150K-UN14I
- THP-1116-3F150
| Measure |
Competitor |
AccuThread 856 |
| RPM |
1300 |
1800 |
| Feed Rate |
0.004 IPR (0.102 mm/rev) |
0.006 IPR (0.152 mm/rev) |
| Penetration Rate |
2.6 IPM (66.04 mm/min) |
5.98 IPM (151.892 mm/min) |
| Cycle Time |
6 min 2 sec |
1 min 19 sec |
| Tool Life |
475 holes |
1000 holes |
The AccuThread 856 Indexable provided:
- 110% tool life increase
- Decreased cycle time
- Improved thread quality