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Created | Modified | Rev. | Changed by | Change |
05/08/06 | 12/19/08 | 28 | Mathias | Add metal band check in step 10 |
1. BAG |
Material: 20118 Start with weight of 2.37# and adjust to get a Raw sleeve length of 5.519+/-(1/16") .This material is molded per next step. |
Scale, Scoop |
2. MOLD | Clean mold, pin & pads. Load the powder weight, press at 12.7 tons, Dwell: 1st side(45 sec) , turn and press 2nd side(60 sec) with a feed of 10 , Trim excess material Min.tonnage will be 9.4 for min spec. gravity. |
MOLD: 3.125 X 1.875 On Mold Rack PRESS: B-23 |
3. OVEN | Sinter using WALL-2 recipe. Measure sleeves when unloading - sleeves should be 5.850 min. length. Bring sintered sleeves to machining area. | Computer program and Instructions |
4. CNC Op.#1 |
Manufacturing Drawing #: 010020925 rev.F Inspection Drawing #: 010020925 Borg Warner rev E Machine part with pre-formed lip forward. Use tooling specified in program. Place machined parts in Traveler Buckets with pre-formed lip facing up. |
Machine: Okuma 2-turret CNC lathe Program: BW-010020925.MIN Target: 12 pcs/slv |
5. CNC Op.#2 |
Tooling: #36 Tool Block stored in ML3 cabinet. Locate tool block in hole #6 on ML3. Use ThinBit # CN028031A (Bin D-13) Collet #D-42. Screw collet in snugly, back out 1 full turn. Machine band groove per drawing. Verify .045 ± .003 dimension with custom .025 Blade Micrometers. Place finished parts in Traveler Bucket with pre-formed lip facing up. |
Haas Mini Lathe #3 Program: #O00555 (010020925-2OP) |
6. BAND |
Material: .012 x .175 301ss band stock Outer Band Diameter: 2.885 ± .004 Inner Band Diameter 2.860 (nested with outer band) When nesting the bands, welds must be 180 degrees apart. Bands must be nested prior to installation into the seal. Run bands in 100pc. batches. Inspect first and last band from each batch for O.D. diameter and weld quality. |
Automatic band machine qty. 1 per seal |
7. FORMING |
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2.050 diameter pneumatic forming tool |
8. ASSEMBLY | Install metal band into band groove in seal. Band must be recessed to back of groove. | |
9. INSPECT | Verify dimensions per Inspection/BW print 010020925 rev E. |
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10. PACKAGING & SHIPPING |
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9"x10"x13" Plastic bucket 2-mil clear plastic sleeve Bubble Wrap Packing Tape |