How to Identify Shot Blasting Machine Spare Parts from Photos

Photo order

Photograph the machine before the old part

This guide is for a common real-world situation: the buyer has an old part in hand, but no BOM, no standard drawing and no reliable English part name. In that situation, the worst approach is to send only one close-up photo and ask for a price. A worn part removed from context can be difficult to classify because many blast wheel and liner components share similar shapes after long use.

The better order is simple. First send a full machine photo or nameplate. Second, show the exact installed position before or during removal. Third, send the removed part from the front, back, side and mounting face. Fourth, add close-ups of the wear zone, cracks, broken corners, holes, slots, keyways and any repaired area. These layers allow Xindong to understand what the part does before judging what it is called.

Installed-position photos are especially important for older machines, modified equipment and cross-brand replacement requests. They explain whether the part belongs to the blast wheel, chamber protection area or a custom wear position. This is often more useful than a polished catalog-style photo.

Wear evidence

Wear photos are more useful than beautiful photos

For spare-parts identification, the most valuable images are often the rough ones: the most worn edge, the less-worn reference edge, the mounting face, the broken corner, the crack line or the repaired area. Those details tell the supplier how the part works and what must be checked before quotation.

If the part has been welded, repaired, ground, drilled again or modified during previous maintenance, state that clearly. A repaired old part may not represent the original design. If the machine has been retrofitted, send that information before asking for a direct replacement.

• For blades and liners, show the most severe wear edge and the reference edge.
• For control cages, show the window direction, opening shape, wall thickness and mounting face.
• For impellers and distributor wheels, show both sides, bore, locating structure and wear position.
• For custom wear parts, add drawing, sketch, sample photos or measured dimensions.
• Include quantity and whether the parts are replaced as a set.

Measurement tips

Do not let dimensions become guesswork

Many wrong parts are not caused by a wrong name; they are caused by guessed dimensions. Place a ruler or caliper in important photos when possible. Record total length, width, thickness, hole diameter, hole spacing, center bore, keyway, window opening and left/right direction. For curved or irregular parts, mark the most important fit area and send several angles.

When measuring worn parts, also explain whether the measurement is taken from a worn edge or a less-worn reference edge. This helps the supplier understand what is original shape and what is wear loss.