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JPG Steel Pre-Treating Shot Blasting Machine


JPG steel pre-treating shot blasting machine is also called steel sheet shot-blasting pre-treatment line. After surface shot blasting, the machine will paint a protective primer painting for the steel plate. This steel plate pretreatment line consists of lateral hydraulic pressure feeder and blanker, feeding and blanking roller bed, shot blast system, dust removing system and electrical control system.


JPG steel sheet shot-blasting pre-treatment line is applied to remove the rust, oxide scale and contamination on the steel surface so as to make the surface clean and bright but with certain coarseness. This steel plate pretreatment line can also make the paint film attach to the steel surface more firmly. Thus the surface quality and the anti-corrosion capacity of products will be improved.

Processing Flow

Steel Feeding Roller ---- Shot Blast System (Including Dust Removing System) ---- Steel Blanking Roller ---- Entire Electrical Control System

Parameters of JPG Steel Sheet Shot-Blasting Pre-Treatment Line

Name Unit Pre-treating Line Specifications
Model JPG2.0 JPG2.5 JPG3.0 JPG3.5 JPG4.0 JPG4.5 JPG5.0
Workpiece Width mm 2000 2500 3000 3500 4000 4500 5000
Steel Plate Thickness mm 5-60 5-100
Section Steel Min. Profile mm*mm 50*50
Section Steel Max. Profile mm*mm 1000*350 1400*350 1600*450 2000*450 2500*500 3000*500 3500*500
Shortest Workpiece mm 2100
Longest Workpiece mm 12000 15000
Workpiece Feeding Speed m/s 1-4 1-4.5
Dust Removing Quantity Standard ISO8501-1, 1988 or GB8923-88 (Bsa2.5)
Surface Roughness μm 25-70
Painting Thickness μm 15±5
Paint Type Quick-drying type zinc-rich primer or epoxy primer
Power kw Depend on real situations.
Air Consumption m3/min 3-5 5-7
Air Pressure Range MPa 0.4-0.7
First Loading Volume for Steel Shot T 7-9 9-12 12-15 14-18
Rontech Imp & Exp Co., Ltd is dedicated to manufacturing steel sheet shot-blasting pre-treatment lines for customers all over the world. In addition to this steel plate pretreatment line, we also offer cold roll forming machinery, high frequency welded pipe mill, sandwich panel line, steel coil slitting line, cut to length line,metal working machinery, metal coil sheet, etc. Rontech supplies reliable and durable production to our customers. We possess a professional technical team with 40 experienced designers, some of who have more than 15 years’ working experience and predominant R & D ability for steel sheet shot-blasting pre-treatment lines. Our steel plate pretreatment lines have been exported to Russian, Brazil, India, South Africa, Germany, USA, Mexico, Saudi Arabia, and so foth.