What Is A Hook Shot Blasting Machine?
A hook shot blasting machine is an industrial system designed for surface preparation, cleaning, and finishing of metal components using centrifugal force to propel abrasive media. This machine is particularly suited for processing small to medium-sized parts with complex geometries, such as forgings, castings, and welded structures.
The hook shot blasting machine operates by suspending workpieces on hooks or fixtures, which rotate inside a blast chamber while being bombarded with abrasive particles. The process involves:
Loading: Parts are manually or automatically hung on hooks attached to a rotating carousel or overhead conveyor.
Blasting: High-speed turbines (blast wheels) eject abrasives (e.g., steel grit, aluminum oxide) onto the surfaces. The rotation of the hooks ensures 360° coverage.
Recovery: Spent abrasives and debris are collected, filtered, and recycled.
Unloading: Cleaned components are removed and prepared for coating or further processing.
Key Components
Hook Conveyor System: Motor-driven hooks rotate parts at adjustable speeds (e.g., 1–4 RPM) for uniform exposure.
Blast Wheels: Multi-blade turbines generate centrifugal force to accelerate abrasives (e.g., 70–100 m/s velocity).
Blast Chamber: Reinforced steel or rubber-lined enclosure to withstand abrasion.
Dust Collector: Removes fine particles and ensures compliance with air quality standards.
Control Panel: PLC-based automation for regulating blast time, rotation speed, and abrasive flow.
Machine Usage Of Hook Type Shot Blasting Machine
Hanger hook shot blasting machine is suitable for cleaning the foundry part, construction, chemical engineering, machine tools and many other industries of large, medium-size castings and forgings surface cleaning.it is the most popular type cleaning machine.
We apply this cleaning technology of hook type shot blasting machine to achieve the purpose of derusting.
Strengthen Eliminate internal stress.
Improve surface adhesion.
Descaling improves fatigue resistance.
Prolong its service life.
Advantages of Hook Type Shot Blasting Machine
1.PLC (Siemens or Omron brand) electrical control system, can adjust parameter and security assurance, normal standard type usually without PLC.
2.With the belt connection, centrifugal type turbine, much more stable and uniform rotate speed. High-speed impeller the rotate speed 3000r/min.
3.High-efficiency dust collector, with filter cartridge, after cleaning the dust consistency can not over 50mg/m3, sure keep the environment clean.
| type | size of workpiece cleaned | carrying weight of single hook | carrying of shot-blasting | lifting capacity of hoist | separating capacity of separator | vntilation capacity | power | outline dimension |
| mm | kg | kg/min | t/h | t/h | m3/h | kw | mm | |
| Q376 | 600*1100 | 500 | 2*120 | 25 | 15 | 5000 | 19 | 4429*2850*3443 |
| Q378 | 800*1500 | 1000 | 2*200 | 22 | 22 | 8000 | 32.5 | 4325*2660*5009 |
| Q3710 | 900*1600 | 1000 | 2*250 | 0 | 30 | 9000 | 36.55 | 5047*3850*5156 |
| QD3710 | 900*1600 | 1000 | 2*250 | 30 | 30 | 9000 | 39.65 | 5844*2742*5716 |
| Q3720 | 1400*300 | 2000 | 3*250 | 45 | 45 | 15000 | 61.27 | 6110*3599*7842 |
| Q3730 | 1600*2300 | 3000 | 3*250 | 45 | 45 | 15000 | 64.4 | 7085*4650*8652 |
| Q3750 | 1800*2500 | 5000 | 4*250 | 60 | 60 | 18000 | 78.4 | 7062*5460*8652 |
| Q3780 | 2000*3000 | 8000 | 4*250 | 60 | 60 | 20000 | 81.5 | 850*6400*8526 |
Application
Automotive: Cleaning engine blocks, gears, and transmission components.
Foundries: Removing sand residue from castings like pump housings or valve bodies.
Aerospace: Deburring turbine blades and structural brackets.
Forging Industry: Descaling forged parts (e.g., crankshafts, connecting rods).
General Manufacturing: Surface treatment of welded frames, brackets, and tools.
Conclusion
Hook shot blasting machines are indispensable for industries requiring precise, high-throughput surface treatment of complex components. Their ability to combine automation with flexibility makes them ideal for medium-scale production environments. When selecting a machine, prioritize part compatibility, energy efficiency, and ease of maintenance
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