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QR32 Series Crawler-Type Shot Blasting Machine

Aug 26, 2017

Abstract

 QR32 series crawler-type shot blasting machine are suitable for surface cleaning of small castings, forgings and other work. Rubber belt winding in 3 rollers is driven by power device and moves in positive or negative direction in the cleaning chamber. When workpiece placed on the belt are cleaned, the shot blasting machine projects grits that impact on workpiece surface. The positive movement of belt rolls the workpiece continually, so that each surface of the workpiece is exposed in the projectile beam to eliminate “the shot blasting blind angle”. Been cleaned, the workpiece can be automatically unloaded by the belt reverse movement. This equipment is suitable for different production scale, which can be used not only in a single, but also in multi-station. The characteristic of shot blasting chamber, shot blasting machine, separator, dust removal system, etc are also introduced in this paper. It is proved by the application that the equipment has the advantages of reasonable structure, low energy consumption, good cleaning effect etc.

Q32 series Crawler-type shot blasting
machine is routine equipment produced by Kaitai company that is suitable for the surface cleaning of small
castings, forgings and the surface rust
cleaning, strengthen of some parts,
such as, spring, gear, crankshaft, connecting rods etc. Through shot blasting treatment, the surface corrosion,
the oxide skin, casting molding sand of workpiece surface can not only be removed, but also the internal stress can be reduced to improve the surface paint adhesion, corrosion resistance,anti fatigue strength etc. Being suitable for different production scale, this type equipment can be used alone, but also can be used in

combination. The machines can also be composed with the continuous conveyor to form a cleaning production line. For large, medium and small production scale, the machine is all the ideal equipment for surface cleaning process.
2. Working principle and technical parameters
2.1 Working principle
This equipment is mainly composed of the loading and unloading system,cleaning chamber, impeller head,elevator and separating system, electronic control system and dust removal system, etc. In the cleaning chamber, the
rubber belt, winding in 3 rollers, is driven by power mechanism to rotate positive (counter clockwise) or reverse rotation. When the machine will be work, it is needed to open the door of cleaning chamber and to place the workpiece on the rubber belt between the two up rollers by the loading system automatically. After the workpiece reaches the specified quantity, you should close the door and then start the machine; now the impeller head projects pills to impact the surface of the workpiece. When the rollers rotate counter clockwise, the workpiece continuously roll by the action of belt movement. In rolling-over process, the workpiece are impacted by the pills projected by the impeller head. In this condition that the workpiece is impacted during rolling-over,so the hitting probability is almost the same whether the workpiece is large,
small, thin, thick, round or flat, which can eliminate "the shot blasting blind corner". The pills splashed pass through the small holes in the belt and fall to the steel mesh at the lower part of the
The Introduction on QR32 Series Crawler-Type Shot Blasting Machine Abstract: QR32 series crawler-type shot blasting machine is suitable for surface cleaning of small castings, forgings and other parts. Rubber belt
winding in 3 rollers is driven by power mechanism and moves in positive or negative direction in the cleaning chamber. When workpiece placed on the belt are cleaned, the impeller head projects pills that impact on workpiece surface. The positive movement of belt rolls the workpiece continually, so that all the surface of the workpiece is exposed in the projectile beam to eliminate "the shot blasting blind corner". Been cleaned, the workpiece can be automatically unloaded by the belt reverse movement. This equipment is suitable for different production scale, that can be used not only in a single, but also in multi-station. The characteristic of shot blasting chamber,impeller head, separator, dust removal system, etc are also introduced in this paper. It is proved by the application that the equipment has the advantages of reasonable structure, low energy consumption, good cleaning effect etc.


Keywords: Crawler-type; Shot blasting machine; Casting; Forging; Surface

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