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Typical Door Frame Line Process Flow (with Punching)
Table of Contents
- Definition
- Process and applications
- Reference checkpoints
- Conflicts and open items
- Boundaries
- Buyer FAQ
- References
1. Definition
This page is a process map for steel door frame (and leaf-edge profile) production with hinge/lock features punched inline. It explains station order and quality checkpoints. kW and thickness tiers stay on the frame overview and multi-spec pages — this page does not invent a new power band.
2. Process and applications
Recommended route wording:
- Decoil
- Level / feed
- Punch — hinge, lock pocket, joint notches (often multi-cylinder / multiple punch groups)
- Roll form
- Hydraulic cut-to-length
- Exit / stacking
Some layouts punch then cut blank length before forming; others punch then form continuous strip; a few market layouts place hydraulic punch after forming — confirm the proposal layout.
Applications. Continuous production of steel door frames and leaf-edge profiles that need assembly holes before shipping. Opening changeovers (spacer + cutter) are covered on the changeover page.
3. Reference checkpoints (not a new rating sheet)
3.1 Quality checkpoints
| Checkpoint | What to confirm |
|---|---|
| Holes vs drawing | Match hinge/lock maps; with multiple punch groups, confirm tooling for the current order |
| Opening change | After spacer width change, confirm matching cutters |
| Speed wording | If a speed note already includes punch/cut time, do not read it as pure forming speed |
| Left / right | Verify punch recipe for handed frames when the drawing requires it |
3.2 Context ratings (belong on FRAME pages)
| Item | Pointer only |
|---|---|
| Recommended package | About 0–15 m/min; main/hyd about 7.5/5.5 kW; shaft about φ50 |
| Heavy variants | About φ70/~23 stands or φ80/~18 stands — see multi-spec page |
4. Conflicts and open items
- Punch before vs after form — Market layouts differ; proposal layout wins.
- Inclusive speed notes — 10–15 with punch/cut language is not pure forming speed.
- Parameter invention — Do not invent stand counts or kW from this process page alone.
5. Boundaries (related machines)
- Slat process flow — Punch is optional; PU adds foam stages — different map.
- Guide / box flow — Usually form → cut (flying shear on some slides); no hinge/lock story.
- Frame changeover page — Spacer/cutter procedure when openings change.
6. Buyer FAQ
Where do spacers and cutters belong?
On the changeover page when openings such as 115 / 230 change. This page only notes that cutter match is a checkpoint after width change.
Is punching always three groups?
Multi-group punching appears in some source wording; the exact cylinder/group count follows the named proposal.
Can I treat this as a parameter sheet?
No. Use FRAME overview / multi-spec pages for speed, power, and thickness tiers.
Does leaf-edge profile use the same flow?
Typically yes — same process class. Confirm whether roll or cutter change is needed for the leaf section.
Final ratings follow the confirmed technical proposal. Price and lead time are out of scope.
References
- FRAME thematic FAQ (process wording: decoil → punch → form → hydraulic cut)
- Industry context: Punch-then-form door frame layouts
- Related encyclopedia entries: FRAME; changeover; multi-spec why