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Tear Down and Rebuild


Stripping down an old Bullard VTL and turning it into an Elec-trol is a manufacturing feat unto itself, taking roughly four to fi ve months.


After a Bullard machine arrives on a truck bed, or several truck beds (if it’s one of the larger units), the machine is completely disassembled and cleaned.


The transmission, feed bracket and other systems are remanufac- tured. Old vacuum tube, relay logic, solid state, and micro-switch systems are removed. In their place is an advanced, integrated, motion-control solution with servodrives, high-reso- lution encoders, and modern readily available electrical components.


The Elec-trol has only a 1-hp (0.75-kW) and 5-hp (3.7-kW) motor running at idle. The power savings of 75% or more while at idle is signifi cant.


Hardened-and-ground boxways may need to be replaced or remanu- facturered. “One of the hardest things to fi nd is scrapers—it’s a lost and dying art, even though it’s a signifi cant part of the process,” Blaschke said. Once all the parts have been cleaned, remanufactured and fi tted, the reassembly process begins, including adding the new control system. Oftentimes, the new machine is shipped back to manufacturers on sev- eral vehicles and fi nal reassembly takes place at its home base.


“One machine had to leave in fi ve trucks,” Blaschke said.


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CPS Rebuilds and Repairs


CPS has the space to rebuild two Bullard machines at a time, depending on their size, but rebuilding and servicing machine tools is only part of CPS’ business. The other part is servicing light-indus-


The New Grinding Edge


SMART III technology is now available in a multi-functional 2- and 3-axes CNC surface grinder. The SMART’s PC-based control, combined with a user-friendly conversational TaskLink function, makes it easy to learn and operate. The SMART series produces “mirror” surface finishes on highly accurate- ly ground workpieces that result in microfinishes of 5 RMS with a positioning and grinding accuracy of (±) 1 micron. The SMART’s movements are programmable in increments of 0.001mm and include a table size up to 24"W x 80"L. The standard spindle speed is 1200rpm to 3600rpm with a spindle power of up to 25HP (greater HP is available). Call your local dealer to see our comprehensive product line for all your machining needs.


800-243-8253 / 562-903-1929 • www.ChevalierUSA.com SEE US AT EASTEC IN BOOTH 1450


3/28/13 11:04 AM May 2013 | ManufacturingEngineeringMedia.com 115


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