Mechanique
1 sub-album and 99 images in this album on 6 pages.
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Cutting in the dogs on the next batch of bottom bracket tap bodies using a two inch diameter shell endmill in my 1958 Bridgeport milling machine.  The tap bodies are held in a three jaw chuck on the super indexing spacer which allows the tap body to be rotated 180 degrees after the first milling pass is completed.
Cutting in the dogs on the next batch of bottom bracket tap bodies using a two inch diameter shell endmill in my 1958 Bridgeport milling machine. The tap bodies are held in a three jaw chuck on the super indexing spacer which allows the tap body to be rotated 180 degrees after the first milling pass is completed.
Viewed: 181 times.
Tapper bodies have moved from the lathe where a 20 degree chamfer was turned and are back on the Bridgeport milling machine for step no. 11 -milling the flats for the stainless steel handles.  The bodies are secured in the Super Indexing Spacer and a two inch diameter shell endmill is used to machine a 2mm deep x 40mm long flat.
Tapper bodies have moved from the lathe where a 20 degree chamfer was turned and are back on the Bridgeport milling machine for step no. 11 -milling the flats for the stainless steel handles. The bodies are secured in the Super Indexing Spacer and a two inch diameter shell endmill is used to machine a 2mm deep x 40mm long flat.
Viewed: 138 times.
A wider view of step no. 11.
A wider view of step no. 11.
Viewed: 144 times.
A vertical shot of my 1958 vintage Bridgeport milling machine.  Next year she turns 60!  My shop turns 70 in 2018 and I'll turn 72 years young at least in my mind.
A vertical shot of my 1958 vintage Bridgeport milling machine. Next year she turns 60! My shop turns 70 in 2018 and I'll turn 72 years young at least in my mind.
Viewed: 155 times.
BR41921 is the serial number of my trusty Bridgeport milling machine which corresponds to a manufacturing date of 1958.
BR41921 is the serial number of my trusty Bridgeport milling machine which corresponds to a manufacturing date of 1958.
Viewed: 170 times.
Tap bodies for the SILVA machine taps are in the final stage - 1/2-13 threading with the Vertex tapping head.  The body is held in the super indexing spacer, 27/64" tap drilled and then tapped.  Next off to Blackline for black oxide treatment.
Tap bodies for the SILVA machine taps are in the final stage - 1/2-13 threading with the Vertex tapping head. The body is held in the super indexing spacer, 27/64" tap drilled and then tapped. Next off to Blackline for black oxide treatment.
Viewed: 160 times.
48 and 50.8 brazed carbide mitre cutters back from Paul Brong Machine.  How to cut through heat treated cycle tube including Reynolds 953 with an ultimate tensile strength range 1750-2050 MPa (254,000 psi - 297,500 psi) in  approximately eleven seconds without a laser.  The hardness of 953 is so close to the hardness of HSS mitre cutters to preclude success.  These brazed carbide cutters are resharpenable and if fractured can be repaired - return to Strawberry.
48 and 50.8 brazed carbide mitre cutters back from Paul Brong Machine. How to cut through heat treated cycle tube including Reynolds 953 with an ultimate tensile strength range 1750-2050 MPa (254,000 psi - 297,500 psi) in approximately eleven seconds without a laser. The hardness of 953 is so close to the hardness of HSS mitre cutters to preclude success. These brazed carbide cutters are resharpenable and if fractured can be repaired - return to Strawberry.
Viewed: 205 times.
Cooling box just built with brick and mortar.  After the brazed carbide mitre cutters have been silver brazed they are placed in the cooling box which is filled with vermiculite for a nice slow cool to minimize the thermal stresses between the 4140 steel mitre cutter body and the carbide ring.
Cooling box just built with brick and mortar. After the brazed carbide mitre cutters have been silver brazed they are placed in the cooling box which is filled with vermiculite for a nice slow cool to minimize the thermal stresses between the 4140 steel mitre cutter body and the carbide ring.
Viewed: 76 times.
BB tap holder and facer complete with arbors and taps (SILVA 071 & 072 BSA cobalt machine taps - used in tapping machines to cut new threads in raw b.b. shells but also great for chasing pre-threaded shells). The arbors become guides for the T&F/LAN71 b.b. facer once the tapper bodies are removed. New for 2018 - b.b. tapper is powered by 16x160mm stainless steel handles for your tapping efficiency. Sold complete with 68mm, 100mm and 120mm arbor rods. Facer includes facing cutter and compression bolt, spring and thrust washer to eliminate self tightening.
BB tap holder and facer complete with arbors and taps (SILVA 071 & 072 BSA cobalt machine taps - used in tapping machines to cut new threads in raw b.b. shells but also great for chasing pre-threaded shells). The arbors become guides for the T&F/LAN71 b.b. facer once the tapper bodies are removed. New for 2018 - b.b. tapper is powered by 16x160mm stainless steel handles for your tapping efficiency. Sold complete with 68mm, 100mm and 120mm arbor rods. Facer includes facing cutter and compression bolt, spring and thrust washer to eliminate self tightening.
Viewed: 60 times.
Six rolling carts.  Some hold fixtures, others hold tubes soon to become a frame and others hold lathe/mill projects in various stages of completion.  The latest is the brazed carbide mitre cutter brick cooling cart filled with vermiculite.  Now if only I had elves to help while I am sleeping.
Six rolling carts. Some hold fixtures, others hold tubes soon to become a frame and others hold lathe/mill projects in various stages of completion. The latest is the brazed carbide mitre cutter brick cooling cart filled with vermiculite. Now if only I had elves to help while I am sleeping.
Viewed: 6 times.
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