The turntable intermittent automatic sandblasting machine is an automated sandblasting equipment developed for the batch matte sandblasting process of wheel hubs. It is also a precision surface treatment model mainly promoted by the source factory of sandblasting equipment. It relies on the indexing intermittent rotary structure and the multi-gun synchronous sandblasting system to solve the industry pain points of complex spokes of aluminum alloy wheels, many dead corners of sandblasting, and unstable batches of matte texture. It is widely suitable for wheel hub production, renovation, and post-processing production lines.
The equipment adopts a multi-station intermittent turntable design. The turntable starts and stops at a fixed point according to the set rhythm. The feeding station, sandblasting station and cutting station are independent of each other, and the workpiece loading and unloading and sandblasting operations can be completed synchronously. There is no need to stop and wait, and the continuous production capacity can be effectively improved. Each station is equipped with an independent tooling fixture, which is suitable for aluminum alloy wheels of different specifications of automobiles and motorcycles. During processing, the wheel hub rotates with the small tooling, and is equipped with an automatic spray gun group that can swing at a variable frequency. It realizes 360 full coverage sandblasting on complex curved surfaces such as hub spokes, rims, and inner holes. The sand material hits evenly, the finished matte texture is delicate and soft, and the roughness is stable and controllable. It avoids the common color difference, local overspray, and missed spray problems of manual
According to the requirements of the wheel hub matte surface sandblasting process, the whole machine is equipped with a PLC intelligent control system, and the sandblasting pressure, turntable interval, spray gun swing speed, and sandblasting time can be stored in advance for multiple sets of process parameters, and one-click call switching. Adopting a low-pressure flexible sandblasting process, while removing the oxide skin, knife pattern, and old coating on the surface of the wheel hub, it will not damage the aluminum alloy substrate and will not cause deformation of the workpiece. The treated matte surface can significantly improve the adhesion of painting, powder spraying, and electroplating layers, reduce the risk of subsequent coating peeling and falling off, and take into account the appearance, texture, and product durability.
The abrasive recycling and dust removal system is the core supporting module of the machine. The cyclone separation structure automatically completes the screening of qualified sand, dust separation, and intact abrasive recycling and reuse, which greatly reduces the cost of consumables; the matching pulse filter element dust removal device, closed cabin operation, dust emission meets environmental protection standards, and the workshop working environment is safer. The nozzle is made of boron carbide material, which has a longer wear resistance and is suitable for long-term uninterrupted mass production, reducing the shutdown loss caused by frequent replacement of accessories.
As the source factory of sandblasting shot blasting equipment, we support non-standard customization of models. We can adjust the number of stations, spray gun layout, and cabin size according to the size of the customer's wheel hub, production capacity goals, and sand material type. It can also be matched with wet sandblasting and explosion-proof configurations to adapt to different production environments. The whole machine has been tested and sprayed with materials before leaving the factory, and the matte effect is proofed. It is equipped with a complete operation manual, parameter debugging guide and after-sales technical support. The equipment failure rate is low and it is easy to get started. A single person can take care of multiple equipment to help processing enterprises reduce labor dependence and stabilize product delivery quality.
In addition to wheel hub matte sandblasting, this turntable intermittent automatic sandblasting machine is also suitable for deburring, matting, rust removal, and pretreatment processes of discs, round shells, precision die castings, molds, and other workpieces. It has strong versatility and is the preferred equipment for surface treatment factories to achieve automated upgrades and stabilize matte sandblasting processes.

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