Transfer Machines Provide Flexibility

Trunnion transfer machines come in two models--the V8 and V12. These modular machines have the capability to provide versatility and flexibility in a turnkey machining system. The machines are well suited for the manufacturing of small casting applications as well as irregularly extruded bar stock parts and shafts from 12. 7 to 306 mm in length.

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Trunnion transfer machines come in two models--the V8 and V12. These modular machines have the capability to provide versatility and flexibility in a turnkey machining system. The machines are well suited for the manufacturing of small casting applications as well as irregularly extruded bar stock parts and shafts from 12.7 to 306 mm in length. Consistent high productivity and precise machining, combined with the elimination of costly secondary operations, make these machines appropriate for cost-effective manufacturing. The Trunnion machines are equipped with 8 or 12 chucks--V8 and V12 models, respectively. These hydraulically actuated, self-centering chuck jaws keep the workpiece stationary while the table indexes to each machining position where independently controlled tool spindles perform many types of operations--drilling, cross drilling, boring, turning, milling, external and internal recessing, threading, tapping, broaching and more. A precision-ground Hirth ring assures table accuracy and reliability with station-to-station repeatability within 0.0002". The part is precisely held and positioned with machining access on three sides simultaneously, thereby eliminating the need for multiple chuckings, thus greatly reducing tolerance stack-up errors commonly associated with multiple clampings and part handling. The machine is hydraulically controlled and has infinitely variable feeds for each tool spindle. Each of the independently controlled tool spindles works simultaneously allowing the longest machining operation to control machine cycle time. All tool spindles are modular and provide maximum interchangeability for retooling and inventory reduction. The Trunnion V8 has the capacity for six left, five right and five vertical tool spindles. The Trunnion V12 has the capacity for nine left, eight right and eight vertical tool spindles. The modular toolhead system provides full flexibility to change machining operations--from drilling to turning to milling--simply by changing the quickchange toolhead attached to the end of the tool spindle.