BLAST CLEANING OF PASSENGER COACHES

CSR Nanjing Puzhen Rolling Stock Co., Ltd is an enterprise specializing in researching and manufacturing rail transport equipment in China. It is the first-class large-scale company in China's railway equipment manufacturing industry.

BACKGROUND

CSR Nanjing Puzhen decided to renovate an old manual blast chamber into a robotic blast cleaning chamber for the passenger coaches. The customer stressed the importance of superior surface quality and increased production capacity.

OBJECTIVES

The requirement was to blast clean completely exterior surfaces and essential interior surfaces of various metro cars within the specified cycle time.

Advantages of Automated Blast Cleaning

• considerable savings in production costs
• increased production capacity
• remarkable health and safety implications
• freedom to use any abrasive material
• desired surface cleanliness and roughness
• slight surface shaping by controlling the blast pressure
• working lifts and platforms are not needed
• increased fatigue strength of specific welded joints

Technical Information

Nozzle diameter                       16 mm                   

Number of nozzles/robot         2                            

Blasting pressure                     6,5 bar                    

Blasting rate                             3 hours per car

Abrasive                                   Corundum

Degrees of freedom                 8

Programming                           Point-to-Point

Operation mode                       Automatic

SOLUTION

A Blastman B20S robot was installed in the existing manual blast chamber with two blast pots. The existing chamber was reinforced by steel structures. Additional silos and elevators were installed to ensure constant abrasive flow.

RESULTS

Blastman robot is perfectly integrated into the customer’s existing manual blast chamber. The quality of surface roughness and cleanliness was improved. There is no need for manual blasting anymore. This was Blastman’s first renovation project in China. It gave potential customers a new idea of how to improve production with a robotic blast cleaning solution.

READ MORE ABOUT BLASTMAN  B20S ROBOT