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Jiangyin Bosj Science & Technology Co., Ltd.
Professional Roll Forming Machine Manufacturer
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Fish Farm Sheet Metal Rolling Machine GCR12

Jiangyin Bosj Science & Technology Co., Ltd.

Fish Farm Sheet Metal Rolling Machine GCR12

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Brand Name : BOSJ

Model Number : BOSJ-SI

Certification : SGS,CE,ISO

Place of Origin : JIANGSU

MOQ : 1 set

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T

Supply Ability : 15 sets per year

Delivery Time : 90 days

Packaging Details : container packing

Control System : PLC System

Roller Material : GCR12

Control type : PLC Interface

Main Machine : Roll forming machine

Main Motor : AC motorProfile

Working Thickness : 1.7mm-7.0mm

Material : Galvanized Steel

Steel Silo : Agricultural

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Steel Silo Roll Forming Machine Production Craft

Steel Silos Specification

Material of the profile: 195-235Mpa GI or carbon steel
Steel thickness (t): from 3 mm to (at least) 7 mm;
Coil width: 1000mm
Profile height (h): from 13±1mm
Effective width (b): 912±4mm
Flange height (c): 76±2mm
Perforated round or oval holes for at least the following screw diameter must be confirmed by customer before order
Length tolerance: ±1.5mm per each pieces


1. Large capacity

One single-silo capacity is up to 17,000 tons with comprehensive configurations to meet customers’ different requirements.

2. High accuracy

Complete advanced processing equipment and technology are introduced from USA to effectively ensure working accuracy and reduce damage to galvanized layer.

3. Less residues

External installable stiffeners contribute to less grain residues on silo walls.

4. Detachable and movable

With standardized and modularized production, components and parts have a high standardization and good interchangeability, thus can be partially replaced or completely transferred.

Technical parameter

Suitable Raw Materialgalvanized sheet, zinc aluminum sheet
Material’s Strength310MPa
Material’s Thickness1.2-4.5mm
Forming Stations18
Max. Feeding Width1250mm
Diameter of Roller’s Shaft120mm
Producing Speed4-8m/min
Material of RollerGCr15 quenching HRC 58-62°
Drive Modegearbox
Main Powerabout 180KW
Electrical Control SystemPLC frequency control
Power SupplyAC 440V & 50HZ & 3PH
Total Weightapprox 70T

2 Steel Silo Machine Working Condition


2.1.1Operation area:20X 5.0 X 8(length X width X height)m

2.1.2The direction of feeding: from left to right

2.1.3Power: 380V, 50Hz, 3 parch

2.1.4Total Power:about 265kw

2.2 Main technical data

2.2.1 Width of material sheet:1145 mm

2.2.2 Thickness of material sheet:3~7mm

2.2.3 Low carbon steel,galvanized sheet,cold steel,etc

2.2.4Working piece length:≤6000 mm

2.3 Main Machine Technical Parameters

2.3.1 10T hydraulic decoiler

Steel coil width----from 1250 mm to 1500 mm

Internal diameter of coil----variable, from 470 mm to 620 mm

Coil placement in the coil holder----hydraulic hoist

Maximum coil weight----10000 Kg

Working speed----0-15m/min adjustable

Maximal out diameter----1600mm

Main motor power----7.5KW AC motor

Hydraulic power----5.5kw

Forming Section

Material of the profile ---- 195-235Mpa GI or carbon steel

Thickness range ----3.0-4.0mm

Main motor power ----60kw, AC motor, motor inside of main machine

Roll station ----20stations (according the final design

Shaft diameter ----¢150mm

Machine roll forming speed---- not less than 18 meters per minute

After 20 roller stations,the profile is finished.It consists of DC motor,reducer motor,driven gearbox and rollers.Lathee Bed and drive box adopts welded structure and stress treatment; Gear takes 45 steel hard tooth surface.
The roller uses the combinated structure, the speed difference and the forming resistance are small, the steel plate surface will be less wear; and also guaranteed the precision shape of the working piece with no scratch .The material of the roller is the GCr15 forging, after whole quenching then by numerical control processing, degree of hardness can reach HRC58-62; Has the characteristic with high strength, hardness, precision and long service life etc.
Driven type:it takes gearbox driven

Auto stacker and transmission table

Take the sheet by air compressor, 5.5KW( provide by customer)

Air cylinder swing arm size----40mmx80mm

Transmission power----4kw AC motor

Stacker length in 12m, transmission table length in 25m

Drive of transmissionby 1.0inch double line chain

Transmission roller----ASTM1045 with chrome, diameter of roller is in 80mm

Carrying capacity----maximal 5000Kg

Length of capacity ----500-12000mm

The maximal stacker height---- 300mm

3 Station Curving Machine


Maximal feeding---- width1000mm

Roll speed====0—10m/min

Main power====30KW

Roll station===3 stations

Shaft material===45# forge steel, polished and coated with chrome

Diameter of shaft ===180mm

Material of roller===Gcr15 steel, polished and with HRC58-62°

Adjust angle motor power===3KW

Dimension of machine===2000 mm×1200 mm×1300 mm

Curving mode===horizontal

Curving diameter≥800mm

After-sales service

Technical Support

Fully providing technology supports both within and after the warranty period. Feed back to our customers at the first time.

Spare Parts

Promptly providing spare parts and wearing parts.


Improve technology and upgrade of equipments.

Other service

Raw Materials

Supply of raw materials made in China with good quality, quick delivery and reasonable price

Finished products purchase

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