Abrasive machining, sawing, and finishing

Manufacturing Engineering, Aug 2002

Supertec Machinery Inc.

Circle 481

Fine Grinding Machines

Double-side, fine-grinding machine produces parallelism of 1(mu)m and flatness of 0.25 (mu)m. Machine can carry wheels from 500 to 1600 mm. All machine functions can be programmed and stored. Wheels available include AIO^sub 2^, SiC, CBN, and diamond. Automatic loading is available.

Flat-Tech Systems

Circle 482

Small-Hole deburring

Cross-hole deburring and finishing of holes as small as 0.024" (0.6 mm) in diam is possible with system that uses brushes with diameters down to 4 mm. Brushes may be made from nylon, brass, stainless steel or abrasive nylon.

Brush Research Mfg. Co.

Circle 483

Hob Sharpener

Machine can sharpen both straight and spiral gear hobs of carbide or HSS up to AGMA "AAA" accuracy, Both bore and shank-type tools can be accommodated. Designed for wet grinding, the unit has a12,000-- rpm spindle, linear slides, and precision ballscrews. Using a GE Fanuc control, the KFS100S can take hobs up to 4" (102-mm) diameter and 8" (203-mm) long.

Koepfer America LLC

Circle 484

Rotary Grinder

Using a 14" (356-mm) chuck, this grinding machine can be configured with a vertical or horizontal spindle. File management and programming are said to be simple using a menu, Ethernet, RS 232 or floppy drive. Flatness of 0.000010" (0.0003 mm) is said to be possible. Control is a Siemens 810.

Parker Majestic

Circle 485

Cylindrical Grinding

Precison blanks and punches from 0.025 to 12.7 mm can be ground on the CNC 148P4 grinding machine in one clamping with a fully automatic loading system. Roughing and finishing can be done simultaneously with two different grinding wheels. This operation allows length/diameter ratios up to 400 and diameters down to 0.025 mm. Included software simplifies programming of complex multistep tools.

Rollomatic Inc.

Circle 486

Circular Cold Saw

Saw has an 18" (457-mm)-diam blade and 4 x 9" (102 x 229-- mm) rectangular capacity. Straight cuts, parallelograms, and opposite miters can be programmed. Up-stroking blade produces accurate cuts with a milled surface finish. Optional clamping, sorting, and loading options are available. Kaltenbach Inc.

Circle 487

Cold Saw

CLM 350 is a semiautomatic column-style cold saw for tough alloys, large solids, and heavy-- wall tube. It features a self-contained hydraulic system, one-shot lube, 1050 miter capability, and a semiautomatic cycle.

Scotchman Ind.

Circle 488

Dry Grinding System

Kool-Grind system keeps parts from warping due to temperature fluctuations and eliminates downtime caused by waiting for parts to cool. Internally cooled Kool-Grind plate and Kool-Grind chuck is matched with a chiller. Generated heat is absorbed by the plate and chuck without external coolant or mist systems. The unit improves accuracy and repeatability by maintaining constant workpiece temperature without external coolant.

Harig Mfg. Corp.

Circle 489

Drill and Tool Grinder

Unit combines 0.08-1.25" (2 to 32 mm)-diam capacity and rapid set up. Design has point-splitting and web-thinning capability, allowing the user to choose from a variety of drill points. Step drill, taps, reamers, countersinks, and end mills can be ground. Standard workhead can be replaced in less than one minute. Both floor-mounted and benchtop units are available. Also available are semiautomatic models with 3/32-2" (2.4-51-- mm) capacity.