FABRICATING | Finishing MetalTech Report

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CS Unitec
Surface finisher
The PTX Eco Smart finishing machine produces perfect finishes on large surfaces with no shadow or streaks, claims the company.

It produces matte, satin and other fine surfaces up to a mirror finish on steel, stainless steel and nonferrous metals. The PTX is also suitable for coarse grinding jobs such as removing welds, deep scratches, oxidation, rust and paint. 

Oxide removal, deburring in one
The SBM technology combines oxide removal with the SBM-M B2 machine and deburring/edge rounding with the SBM-M S2 machine in one single machine, the SBM-XL S2B2. Parts are fed into the machine via the in-feed conveyor. Once inside the machine, the parts are moved by feed rollers, located between the tooling belts. Two tooling belts work from the top, and two from the bottom, so parts are processed on both sides simultaneously. 

Faster deburring with flap discs
3M Abrasive Systems introduced the Cubitron II bonded abrasive grinding and cut-off wheels last year and now the same benefits are available in the company’s Cubitron II flap discs. 3M says its proprietary precision-shaped grain technology provides superior cut rates and require less pressure than competitive products, reducing operator fatigue. The flap discs feature a backing that enables controlled, even wear, allowing for full utilization of the disc with no premature dulling or glazing.

Angle grinders
W720 and W820 are two new lightweight angle grinders for cutting, grinding and deburring.

The W720 weighs 4.4 lb (2 kg) and has a maximum wheel diameter of 4-1/2 in. (125 mm). It features a 6.5 A motor with 720 watts of power, 14 in.-lb (355 mm/kg) of torque and a no-load speed of 11,000 rpm. The W820 has a maximum wheel diameter of 5 in. and weighs 4.7 lb (2.1 kg).  It features a 7.5 A motor with 820 watts of power, 16-in. lb (419 mm/kg) of torque and a no-load speed of 10,000 rpm. A side switch with lock-on capability, a spindle lock, auto-stop carbon brushes and a burst-proof wheel guard come standard on both grinders. They also include an inner flange, a face spanner, an outer nut and a Type-27 wheel guard. 

Michigan Deburring
Quick change hole deburring
While custom tooling is often necessary when workpiece requirements exceed standard tool capabilities, high volume and dedicated hole deburring operations can also benefit from custom solutions. Michigan Deburring can customize solutions with its quick change modular hole deburring system to optimize the performance, productivity and value in any hole deburring application—for the same cost as standard tooling, claims the company. 

South Bend Lathe Co.
Surface grinders
The SB1029 6 x 18 in. (152 x 457 mm) and SB1023 6 x 12 in. (152 x 305 mm) are two new surface grinders. Model SB1029 features 1.5 hp 220 V/440V 60 Hz three-phase direct drive motor, Allen Bradley electrical components and Japaense NSK bearing. It is equipped with a 7 x .5 in. (177 x 13 mm) 3450 rpm grinding wheel, a 5 3/4 x 17 3/4 in. (146 x 451 mm) table, and a 15 5/8 in. (397 mm) maximum workpiece height. Model SB1023 features a 3/4 hp, 110/220V, 60 Hx, single-phase motor, Allen Bradley electrical components and Swedish SKF bearings. 

Walter Surface Technologies
Flap discs
Flat discs Enduro-Flex and Enduro-Flex Turbo for metal finishing applications are environmentally friendly alternatives, claims Walter Surface Technologies. 

Enduro-Flex features the Eco-Trim backing made from a base of natural and sustainable plant fibers.Designed for finishing steel and stainless steel, the flap discs require fewer changeovers. A 5 in. (127 mm) disc with grit 40 removes up to 2,500 grams over its lifespan–performance is comparable in other Walter disc sizes and different grit sizes.

Designed for weld removal, edge breaking and blending applications, the Enduro-Flex Turbo delivers via a unique proprietary mixture of high content self-sharpening grains. Its built-in Cyclone Technology, along with a new flap configuration, enables operators to perform with an ultra fast cutting rate of a grit 36 with the finish of a grit 60.   

Weiler Corp.
Power brushes
Weiler Corp.’s full assortment of high performance, American made wire brushes are engineered for use on 4-1/2 in. (114 mm) right angle grinders. Am them are: 

*4-1/2 in. (114 mm) mini roughneck stringer bead wheels, featuring a high knot count and short trim length to produce fast and effective cleaning action and long product life. 

*Dually 4-1/2 in. (114 mm) weld cleaning brushes, featuring a dual-hex nut design to simplify periodic flipping of the wheel for maximum efficiency in demanding inter-pass weld cleaning applications.

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