Mechanique
1 sub-album and 94 images in this album on 6 pages.
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Cutting the Weldon set screw surface on the Emco Maximat V10P machine using a Niagara single angle chamfering cutter.
Cutting the Weldon set screw surface on the Emco Maximat V10P machine using a Niagara single angle chamfering cutter.
Viewed: 324 times.
381 BCMC01.  38.1mm brazed carbide miter cutter close up showing 4140 body with carbide ring in position ready for brazing.
381 BCMC01. 38.1mm brazed carbide miter cutter close up showing 4140 body with carbide ring in position ready for brazing.
Viewed: 254 times.
381 BCMC02.  Brazing fixture for the brazed carbide mitre cutters.  Down the line if all works out maybe oven brazing?
381 BCMC02. Brazing fixture for the brazed carbide mitre cutters. Down the line if all works out maybe oven brazing?
Viewed: 256 times.
Branding and marking the size of the brazed carbide mitre cutters using the old fashioned roll stamping technique.
Branding and marking the size of the brazed carbide mitre cutters using the old fashioned roll stamping technique.
Viewed: 281 times.
The brazed carbide mitre cutter bodies have been turned and marked and now the brazing of the carbide ring to the bodies proceeds.
The brazed carbide mitre cutter bodies have been turned and marked and now the brazing of the carbide ring to the bodies proceeds.
Viewed: 266 times.
38.1 brazed carbide mitre cutters on the coolingboard.  Into hot water, sandblast and off to McKenzie Tool Grinding.
38.1 brazed carbide mitre cutters on the coolingboard. Into hot water, sandblast and off to McKenzie Tool Grinding.
Viewed: 317 times.
First batch of brazed carbide mitre cutters just arrived from McKenzie Tool Grinding and will be for sale primarily for mitreing heat treated steel tubing such as Reynolds 853, 725 and the new stainless steel 953 although they work beautifully on non-heat treated steel tubing as well.  The body material is 4140 air hardening steel to which a carbide "ring" has been brazed.  After brazing the cutters go out to McKenzie Tool Grinding where the 4140 shank is precision ground to 3/4" in diameter.  The carbide ring is ground to each respective mitre cutter diameter and the teeth are gummed in.
First batch of brazed carbide mitre cutters just arrived from McKenzie Tool Grinding and will be for sale primarily for mitreing heat treated steel tubing such as Reynolds 853, 725 and the new stainless steel 953 although they work beautifully on non-heat treated steel tubing as well. The body material is 4140 air hardening steel to which a carbide "ring" has been brazed. After brazing the cutters go out to McKenzie Tool Grinding where the 4140 shank is precision ground to 3/4" in diameter. The carbide ring is ground to each respective mitre cutter diameter and the teeth are gummed in.
Viewed: 215 times.
Seat tube drainhole drilling.  Last custom Strawberry frames are now in production.  After they're completed only stock 700c and 650b will come off the brazing fixture.
Seat tube drainhole drilling. Last custom Strawberry frames are now in production. After they're completed only stock 700c and 650b will come off the brazing fixture.
Viewed: 200 times.
Silva 080 front derailleur braze-on boss fixture for BSA and T47 bottom bracket shell and 28.6 and 31.7mm seat tubes are now in stock over at Torch and File www.torchandfile.com.
Silva 080 front derailleur braze-on boss fixture for BSA and T47 bottom bracket shell and 28.6 and 31.7mm seat tubes are now in stock over at Torch and File www.torchandfile.com.
Viewed: 150 times.
Another pic of the Silva 080 front derailleur braze-on boss fixture.
Another pic of the Silva 080 front derailleur braze-on boss fixture.
Viewed: 146 times.
And another pic of the Silva 080 front derailleur braze-on boss fixture.
And another pic of the Silva 080 front derailleur braze-on boss fixture.
Viewed: 145 times.
46, 48 and 50.8mm brazed carbide mitre cutter blanks are now machined and ready for the carbide rings to be brazed.
46, 48 and 50.8mm brazed carbide mitre cutter blanks are now machined and ready for the carbide rings to be brazed.
Viewed: 170 times.
First of the newly designed brazed carbide mitre cutters shown here after silver brazing.  Silver brazing flux turns a lovely sky blue after brazing.  Now a nice soak in the hot tub, a little sand blast and off to Paul Brong Machine for finish grinding.
First of the newly designed brazed carbide mitre cutters shown here after silver brazing. Silver brazing flux turns a lovely sky blue after brazing. Now a nice soak in the hot tub, a little sand blast and off to Paul Brong Machine for finish grinding.
Viewed: 270 times.
New design seems to work.  100% successfully brazed which is not trivial.  The batch above includes 46, 48 and 50.8mm brazed carbide miter cutters.  Now for a hot bath, sand blast and then off to lathe boring and they will be delivered to Paul Brong Machine for gumming in the teeth and grinding the shank and body outside diameters.
New design seems to work. 100% successfully brazed which is not trivial. The batch above includes 46, 48 and 50.8mm brazed carbide miter cutters. Now for a hot bath, sand blast and then off to lathe boring and they will be delivered to Paul Brong Machine for gumming in the teeth and grinding the shank and body outside diameters.
Viewed: 53 times.
Modifications are underway to the LAN71 bottom bracket tapper to accommodate 68/73, 100 and 120mm wide bottom bracket shells.  The photo is the set screw hole drilling of the arbor rods for 68/73, 100 and 120mm length shells.  The rods can now be interchanged with the male arbor for different width bottom bracket shells.
Modifications are underway to the LAN71 bottom bracket tapper to accommodate 68/73, 100 and 120mm wide bottom bracket shells. The photo is the set screw hole drilling of the arbor rods for 68/73, 100 and 120mm length shells. The rods can now be interchanged with the male arbor for different width bottom bracket shells.
Viewed: 34 times.
LAN71 bottom bracket tapper complete with SILVA 070/071 cobalt HSS BSA taps.  Below the tapper are the rods for 100 and 120mm width bottom bracket shells.  The tapper is sold with one male arbor, one female arbor and three rods - 1ea. 68/73, 1ea. 100 and 1ea. 120mm.  The male arbor is fitted with two 5x0.8mm set screws to allow a quick change from one rod to another with a 2.5mm Allen wrench.
LAN71 bottom bracket tapper complete with SILVA 070/071 cobalt HSS BSA taps. Below the tapper are the rods for 100 and 120mm width bottom bracket shells. The tapper is sold with one male arbor, one female arbor and three rods - 1ea. 68/73, 1ea. 100 and 1ea. 120mm. The male arbor is fitted with two 5x0.8mm set screws to allow a quick change from one rod to another with a 2.5mm Allen wrench.
Viewed: 43 times.
Turning another batch of tap handles for the SILVA machine cobalt bottom bracket taps and putting to work the old Japanese precision turret device to speed up center drilling, clearance drilling, counterboring and chamfering the back end of the tapper bodies.
Turning another batch of tap handles for the SILVA machine cobalt bottom bracket taps and putting to work the old Japanese precision turret device to speed up center drilling, clearance drilling, counterboring and chamfering the back end of the tapper bodies.
Viewed: 46 times.
Birthday present from my wife - cut knurling tool.  Good loving wife who appreciates a nicely cut knurl.  Photo of new stainless steel 175mm handles for the LAN71 tapper and facer.  The old KDK form knurling tool wasn't doing the job on the stainless.  The cut knurls have a sharp solid crest for a perfect knurl.
Birthday present from my wife - cut knurling tool. Good loving wife who appreciates a nicely cut knurl. Photo of new stainless steel 175mm handles for the LAN71 tapper and facer. The old KDK form knurling tool wasn't doing the job on the stainless. The cut knurls have a sharp solid crest for a perfect knurl.
Viewed: 96 times.
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