Overview of Steel Silo Roll Forming Machines

Steel silo roll forming machines are used to manufacture corrugated steel silos for storing bulk materials like grains, pellets, or powders. Steel silos provide weatherproof and durable storage and are easy to transport and assemble. This guide covers everything you need to know about steel silo roll forming equipment.

Overview of Steel Silo Roll Forming Machines

Steel silo roll forming machines form corrugated steel sheets into cylindrical or conical silo bodies using a series of roller dies. The corrugated steel provides extra strength and rigidity to the silo structure.

Types of Steel Silo Roll Forming Machines

There are two main types of steel silo roll forming machines:

Cylindrical Silo Roll Forming MachineForms straight walled cylindrical silos with fixed diameter
Conical Silo Roll Forming MachineForms conical silos with reducing diameter from bottom to top

Main Components of a Steel Silo Roll Forming Machine

A steel silo roll forming machine consists of the following key components:

  • Uncoiler to feed steel coil strip
  • Guiding rollers to align and guide the strip
  • Forming rollers arranged in series to bend and corrugate the strip
  • Cutting device to cut formed sheets to length
  • Hydraulic system to apply pressure to rollers
  • Control panel to set and monitor forming parameters

Working Principle

The corrugated steel sheet is gradually bent and formed as it passes through the progressively arranged roll forming stands. Each stand makes incremental bends and corrugations until the final silo profile is achieved. The formed sheets are then cut to length and stacked.

Steel Silo Roll Forming Machines
Overview of Steel Silo Roll Forming Machines 3

Applications and Uses of Steel Silo Roll Forming Machines

Steel silo roll forming machines are ideal for manufacturing:

Grain silosFor storing cereals, grains, animal feed
Powder silosFor industrial powders like cement, minerals, chemicals
Pellet silosFor plastic, wood or feed pellets
Food storage silosFor grains, sugar, flour, etc.

Steel silos provide efficient and low-cost bulk storage and handling solutions across various industries.

Specifications of Steel Silo Roll Forming Machines

The key specifications and parameters of steel silo roll forming machines include:

ParameterTypical Range
Production Speed10 – 15 m/min
Sheet Thickness0.3 – 1 mm
Sheet Width600 – 1000 mm
Silo Diameter1 – 6 meters
Silo Height2 – 30 meters
Power Consumption5 – 15 kW

Machines can be customized to suit specific production requirements. Advanced CAD and simulation software is used for precision engineering.

Design and Construction Standards

Steel silo roll forming machines need to conform to design standards for achieving the required quality and performance. The key standards are:

  • ISO 4306-1 – Vocabulary and symbols for silos and tanks
  • EN 1993-4-1 – Silos design standards
  • ASCE 7-16 – Minimum design loads for buildings and structures
  • GB50316-2013 – Chinese national standard for steel silo design

The structural design must account for loads, seismic effects, wind pressures as per applicable standards. High quality components and rigourous quality control is essential.

Suppliers and Pricing

There are many manufacturers providing steel silo roll forming equipment globally. Indicative pricing is as follows:

SupplierLocationPrice Range
Jingjing MachineryChina$10,000 – $50,000
MTCभारत$15,000 – $60,000
Russel MetalsUSA$30,000 – $150,000
AZCO CorpEurope$20,000 – $120,000

Customization, production capacity, and optional accessories impact pricing. Getting quotes from multiple vendors is advisable.

Installation and Operation

Proper installation and operation procedures are vital for optimum performance. The key considerations are:

  • Clean and level foundation with provision for fastening the machine
  • Precision alignment of rollers and Dies as per manufacturer’s instructions
  • Checking hydraulic, pneumatic, lubrication and electrical connections
  • Trial runs to calibrate the machines and check formations
  • Use of gauges and sensors for monitoring pressure, speed, and alignment
  • Scheduled maintenance and checks as per manual

Adequate staff training for setup, operation, and maintenance should be ensured.

Maintenance Tips

Regular maintenance is crucial for longevity and output quality of roll forming machines. Key maintenance aspects are:

  • Cleaning the machine daily and checking for oil leaks
  • Inspecting rollers, bearings, and other wearing parts
  • Adjusting roller alignments and gaps when needed
  • Lubricating moving components as per schedule
  • Replacing worn out spindles, bearings, and chains when required
  • Checking pipe and wire connections in the hydraulic system
  • Verifying electrical wiring and switches
  • Conducting test runs and trial formations periodically

Maintenance schedule must be strictly followed. All observations should be recorded in a logbook.

How to Select a Steel Silo Roll Forming Machine Supplier

The important factors in selecting a steel silo roll forming machine supplier are:

  • Technology: Advanced designs for precision forming and easy changeovers
  • Build Quality: Use of high grade components and sturdy construction
  • अनुकूलन: Capability to customize as per specifications
  • Reliability: Proven track record and minimal breakdown history
  • Service Support: Responsiveness to issues and provision of parts/maintenance
  • Credentials: Certifications, standards compliance, and qualifications
  • Pricing: Competitive and transparent pricing, financing options
  • Warranties & Guarantees: Assurance of performance and support

Performing due diligence and getting user feedback on suppliers is highly recommended.

Pros and Cons of Steel Silo Roll Forming Machines

High production speeds and volumesHigh initial investment cost
Consistent and uniform forming qualityComplex setup and changeovers
Versatile – can make varied silo sizesRegular maintenance needed
Automated operation with minimal laborStaff need technical training
Long service life with robust constructionOccupies significant floor space
Low operating costs compared to other methodsLimited to sheet thickness under 1 mm

Comparison Between Cylindrical and Conical Silo Roll Forming Machines

ParameterCylindrical Silo MachineConical Silo Machine
Silo shapes producedCylindricalConical / Hopper bottom
Diameter rangeFixedVariable, reducing from bottom to top
Discharge controlChallengingEasier due to concentric and eccentric cone designs
Structural stabilityProne to buckling if height exceeds 3x diameterBetter stability due to conical shape
Machine complexitySimpler with same diameter rollersComplex due to progressive diameter changes
CostLowerHigher due to advanced design

Conical silos are better suited for bulk powder discharge but require more complex roll forming equipment.

Steel Silo Roll Forming Machines
Overview of Steel Silo Roll Forming Machines 4

सामान्य प्रश्न

What materials can be used for making silos with these machines?

These machines are designed specifically for roll forming corrugated steel sheets. Other metals like aluminum or stainless steel sheets may be possible with customizations.

What is the thickness range of sheets that can be formed?

Standard sheet thickness is between 0.5 to 1 mm. With customized rollers and higher force, thinner sheets of 0.3 mm can also be formed.

What are the different corrugation patterns possible?

Trapezoidal and sinusoidal wave patterns are commonly formed. Custom profiles are also possible depending on roller die design.

How long do these machines typically last?

With proper installation, operation, and maintenance, a lifespan of 8 to 12 years can be expected. High quality components ensure long working life.

Is onsite installation and commissioning provided?

Most suppliers can provide installation assistance and trial runs for ensuring proper setup. Additional charges may apply for onsite support.

What kind of warranty and service support is provided?

Standard warranty is 1 year but extended warranties for 2-3 years are also offered. Lifelong service support and supply of spares is generally provided.

What is the process for obtaining price quotations?

Suppliers can provide quotes based on specifications like silo size, sheet thickness, output rate, and options needed. It’s best to get quotes from multiple vendors.

What factors impact the total cost of these machines?

Production capacity, silo size range, material thickness, customization needs, and optional accessories affect pricing. Location and shipping costs are also involved.

How much space is needed to install these machines?

The machine length itself is 8-12 meters typically. Additional space is needed for material loading and unloading, so plan for a clear working area of about 20m x 10m.

Are online operation manuals and part catalogs provided?

Yes, detailed user manuals for installation, operation, maintenance, and machine drawings are provided in digital format by most manufacturers.

What are the power requirements and utilities needed?

The typical power requirement is 10 to 15 kW. Electrical supply, compressed air and sufficient working lighting is required in the production area.

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