Twin Spindle Grinder Performs Complex ID, OD Grinding
IMTS 2018: Supertec Machinery’s EGM-350CNC twin spindle ID grinder combines an ID spindle with a secondary spindle capable of face, shoulder and OD grinding.
Supertec Machinery’s EGM-350CNC twin spindle ID grinder supports two individually programmable spindles, combining an ID spindle with a secondary spindle capable of face, shoulder and OD grinding. The grinder can also bore with a boring bar prior to the ID grind.
With a maximum grinding diameter of 15" and a maximum grinding depth of 10", this multi-spindle design is meant for grinding flanges, bearing races and other parts requiring the grinding of different locations on a single part. The grinder enables the operator to grind the ID, face and shoulder in a single setup. The ID spindle design features a cartridge-type, motor-driven spindle which enables simple change-over from one spindle to another. The ID spindles can range from 10,000 to 50,000 rpm, while 100,000-rpm air spindles are also available.
The secondary face-grinding spindle can handle grinding wheels ranging to 5" in diameter. NSK linear guideways and precision ballscrews on all three axes achieve increased accuracy and rigidity. The grinder features either the FANUC Oi-TF with G-code/M-code programming or the Mitsubishi M80 conversational control.
The Siemens motor with inverter drive enables variable speeds on both grinding wheel spindles. The workhead features an A2-6 spindle with an 8" three-jaw hydraulic chuck. An optional oil and mist collector and six-position automatic toolchanger (ATC) are also available.
Related Content
-
Volumetric Accuracy Is Key to Machining James Webb Telescope
To meet the extreme tolerance of the telescope’s beryllium mirrors, the manufacturer had to rely on stable horizontal machining centers with a high degree of consistency volumetric accuracy.
-
An Additive Manufacturing Machine Shop
Finish machining additively manufactured implants requires different pacing and workflow than cutting parts from stock — different enough for an experienced manufacturer to warrant a dedicated machine shop.
-
10 Things to Know About Creep-Feed Grinding
Because of the high material removal rate creep-feed grinding can deliver in challenging materials, grinding might not be just the last step in the process—it might be the process.