Steel wire fed through the guide rollers into the rotary bending head
rod-bending

Car Seat Backrest Wire Bending Machine | 6 mm Steel Rod

Watch a CNC 3D wire bending machine form 6 mm steel wire into car seat backrest frames in one automatic cycle - clean 3D bends, hook ends, repeatable output.

Key Specifications

Materials
6 mm steel wire rod

Key Features

  • Forms complex 3D seat frame shapes in a single cycle
  • Rotary bending head reaches multiple bend planes without re-fixturing
  • CNC program stores each frame geometry for repeat runs
  • Clean hook ends positioned accurately every part
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How Are Car Seat Backrest Wire Frames Bent in One Cycle?

Short answer: With a CNC 3D wire bending machine. This video shows 6 mm steel wire being fed straight and wrapped around a rotary bending head that forms every bend plane of a seat backrest frame - including the hook ends - in one automatic cycle, no re-fixturing between bends.

What the Video Demonstrates

StageEquipmentResult
FeedStraight wire feed with guide rollersWire delivered to exact bend position
FormRotary 3D bending headMultiple bends in different planes, one cycle
ProgramCNC touch-screen controlStored geometry per frame design
FinishAutomatic part ejectionMatching frames with square hook ends

Key Applications

  • Car seat backrest and headrest wire frames
  • Automotive trim and reinforcement wire parts
  • Furniture frames of similar 3D wire geometry
  • Component suppliers replacing multi-station press bending

3D Rotary Bending vs. Multi-Press Bending for Seat Frames

CriterionMulti-press bendingCNC 3D rotary bending
Setup for a new frameSeveral dies, several pressesProgram change only
Bend planes per cycleOneMultiple
Positional error build-upAccumulates between stationsSingle clamping reference
Tooling costHighLow - one bending head

FAQ

What wire size can this machine bend for seat frames? The video shows 6 mm steel wire; the same platform covers roughly 3-12 mm depending on the bending tool set.

Can it form the hook ends at both sides of the frame accurately? Yes - the CNC axes index the wire after each bend, so both hook ends land at the programmed length every cycle.

Is changing to a different frame design slow? No. A new part is a program plus a matched die disc; changeover is done in minutes, not by swapping presses.

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