| Part/Assembly Name |
Quantity per Chair |
Material |
Sequence #
|
Manufacturing Sequence |
Equipment Used |
| Top/Down Tube |
2 |
Steel Tubing |
1 |
Cut to rough length |
Tubing Cutter |
| 2 |
Bend |
Tubing Bender |
| 3 |
Miter end |
Mill |
| 4 |
Cut to finished length |
Tubing Cutter |
| Bottom/Back Tube |
2 |
Steel Tubing |
1 |
Cut to Rough Length |
Tubing Cutter |
| 2 |
Bend |
Tubing Bender |
| 3 |
Miter end |
Mill |
| 4 |
Cut to finished length |
Tubing Cutter |
| Side Tube |
2 |
Steel Tubing |
1 |
Cut to length |
Tubing Cutter |
| 2 |
Miter ends |
Mill |
| End Caps |
4 |
Delrin or Nylon |
1 |
Machine |
Lathe |
| Axle Plate |
2 |
Steel Plate |
1 |
Cut stock to size |
Band Saw |
| 2 |
Drill holes |
Mill or Drill Press |
| Caster Plate |
2 |
Steel Plate |
1 |
Cut stock |
Band Saw |
| 2 |
Mill to size |
Mill |
| 3 |
Drill holes |
Mill or Drill Press |
| Crossbrace Bracket |
4 |
Steel Plate |
1 |
Cut stock |
Band Saw |
| 2 |
Miter |
Mill |
| 3 |
Drill & bore |
Mill |
| Seat Gusset |
2 |
Steel Plate |
1 |
Cut stock |
Band Saw |
| 2 |
Mill to size |
Mill |
| Seat Bracket |
4 |
Steel Plate |
1 |
Cut stock |
Band Saw |
| 2 |
Mill to size |
Mill |
| Main Frame Assembly |
|
|
1 |
Place top/down tube, bottom/back tube & side tube in jig |
Custom Built Jigs and Welding or Brazing Equipment |
| 2 |
Braze or weld all joints |
| 3 |
Locate caster plate in jig |
| 4 |
Braze or weld all joints |
| 5 |
Locate seat gusset in jig |
| 6 |
Braze or weld all joints |
| 7 |
Locate crossbrace brackets in jig |
| 8 |
Braze or weld all joints |
| 9 |
Locate seat brackets in jig |
| 10 |
Braze or weld all joints |
| Chair Assembly |
Main Frame |
Caster Assembly |
Crossbrace Assembly |
Footrest Assembly |
|
|