SHOP SOLUTIONS Continued from P53
2 × 2" (51 × 51-mm) cube to bigger ones within a 24 × 24" (610 × 610-mm) cube, all typically requiring tolerances of ±0.0005" (0.013 mm) for feature locations in relation to one another and for bored holes.
The shop machines almost all of its parts from billets of raw material and some castings, and the Mazak machines allow them to run either of these. Some parts require full fi ve-axis machining, however. Schoenfelder said the shop relies on the capability more for positioning to access all necessary part sides without having to refi xture. On its twin- turning-spindle confi guration Mazak Multi-Tasking machines, the shop uses the fi rst spindle for front working, then the machine automatically transfers the part over to the second spindle for backworking.
“Over 95% of the parts we run on our Mazak Multi-
Tasking machines come off complete,” said Schoenfelder. “We load a part and don’t touch them until they are done. To run our parts on separate pieces of equipment would involve more cost, more tooling and more time.”
Schoenfelder cites a cylinder head dome for a snow- mobile engine as a perfect example of where the Mazaks solved a manufacturing issue. For this part, the shop previ- ously used two separate machines, which meant multiple setups and the part having to travel from one machine to the next. The Mazak Integrex i-200S not only eliminates the need for multiple machines, it completes the part in one setup and in half the time. On its other Integrex i-200S, Black Diamond Xtreme is able to machine cooling-line fi ttings for engine head assemblies from solid billets for a 10% cost savings on each. The parts used to be made from castings and farmed out for machining. Another part processed on the Integrex i-200S that
requires full fi ve-axis machining is the carburetor throttle body butterfl ies. The butterfl ies are thin, made from brass and slightly egg-shaped—approximately 3" (76 mm) from top to bottom. What makes them a challenge is that they require two opposing angles machined on their edge surfaces, some of which are only 0.062" (1.5-mm) wide. However, these
GRIPPERS. PINS. BUMPERS.
Grippers are available in fixed and swivel configurations with various surface types. Ball-lock pins for fastening, locating and alignment. Rubber and urethane bumpers provide load bearing protection. Call us at 888.794.8687 for technical assistance and sales or go to
www.fixtureworks.net for online ordering, specs & CAD files.
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