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PURCHASING SCOPE GUIDE How to Compare Mass Finishing Quotations for CNC Metal Parts Compare trial evidence, equipment scope, separation, drying and acceptance conditions before choosing a mass finishing quotation for industrial CNC parts. Quick answer: Two quotations with similar machine capacities may describe very different production systems. For CNC metal parts, compare the part specification ...

Steel Media Burnishing Guide: How It Creates Mirror Shine and When Not to Use It Steel finishing media • Pins, balls & discs • Burnishing process, compound pairing and limits Steel media is unique in mass finishing: it is the only media that polishes almost entirely without cutting. Hardened stainless pins, balls, and discs rub against parts under compound pressure, compressing micro-peaks int...

Mass Finishing Aluminum Parts: Deburr, Smooth and Brighten Without Smearing Aluminum surface finishing • Media, compound and cycle selection • From CNC parts to cosmetic components Aluminum is one of the most rewarding — and least forgiving — metals to mass finish. It deburrs fast, smooths beautifully, and polishes to an attractive satin-bright look. But it also smears under aggressive media, stai...

Walnut Shell vs Corncob: How to Choose Dry Tumbling Media for Eyewear, Jewelry & Hardware Dry finishing media selection guide • Walnut shell & corncob • For dry tumbling, vibratory and centrifugal lines Dry organic media — crushed walnut shell and ground corncob — is the workhorse of dry tumbling and dry vibratory finishing. The two materials look similar in the bag, but they behave very d...

Mass Finishing for 3D Printed Parts: Deburring and Polishing Additive Manufacturing Components Additive manufacturing post-processing • Deburring, smoothing & polishing • FDM, SLA/DLP, SLS & metal AM parts 3D printing turns out parts close to final shape, but almost never close to final surface. Support scars, layer lines, partially fused powder, and sharp edges stand between a fresh print...

Double-Deck Bamboo Tumbling Machine: Standard Operating Procedure, Control Guide & Finishing Recipes Model Series: SP-TB4 / SP-TB8 • Precision Dry Tumbling System • Official operation manual The SP-TB Series double-deck bamboo tumbling machine is a precision dry tumbling system designed for high-gloss finishing of premium eyewear frames (acetate, propionate), fine hardware, jewelry, and luxury...

Ceramic vs Plastic Tumbling Media for Aluminum, Brass and Steel Parts Cover design direction: show the decision, not a generic machine hero. Add English labels “CERAMIC MEDIA” and “PLASTIC MEDIA” only if the cover is redesigned. How to Choose Ceramic vs Plastic Media for Aluminum, Brass and Steel Parts Short answer: choose ceramic media when controlled cutting, burr removal or edge radiusing is th...

Small Parts Finishing Guide How to Deburr Small Fasteners Without Damaging Threads, Points, or Recesses Screws, bolts, nails, pins, and rivets can be processed in bulk, but their functional features make them less forgiving than simple metal blanks. The right mass finishing process must remove loose burrs while protecting threads, points, drive recesses, hollow sections, and dimensional fit. Small...

Plastic and Rubber Part Finishing Guide How to Deburr Plastic and Rubber Parts: Mass Finishing, Media, and Process Limits Flash, gate marks, machining burrs, and rough build lines do not all respond to the same finishing method. This guide explains when mass finishing is a practical option for plastic and rubber parts, how to select equipment and media, and when trimming, blasting, or cryogenic de...