V-SERIES
Variable Geometry Plate Bending Machine
Unmatched capacity. Superlative precision. Optimal turnout.
Ensures extremely longer life of hydraulic system
Precision Manufacturing Aided By High Quality Assurance
Excellent and important feature at no extra cost
Future-ready machines, ready to integrate and automate
Experience Hassle-free Bending
Our top-of-the-line Plate Bending Machines are designed for hassle-free usage and energy saving features; to ensure peace of mind and operational ease for plate bending jobs.
The variable geometry machines deliver a multiple advantages to your fabrication infrastructure - a remarkably increased rolling capacity, reduced capital expenditure and lower ongoing operational costs. They prove to be the most attractive investment for heavy plate thickness (Above 80mm) applications.
SUPERIORITY OF
Variable Geometry Design
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Plate bending/rolling process
Himalaya Variable Geometry machines deliver performance equivalent to that obtained with the more expensive 4-roll plate bending rolls and are therefore ideal for medium-to-heavy duty rolling.
Exceptionally high rolling capacity is achieved due to variable bending span of the bottom rolls. the rolling capacity can be 15-20 % higher than linear guideway and swing-guide designs of same top roll dia. machines.
The special configuration of this design provides for the plate bending rolls to move independently by hydraulic cylinders – the top roll moves vertically; the bottom rolls move horizontally – and are rotated by integrated planetary gearboxes with hydro-motors. This allows for optimal central distance between the bottom rolls and the distance between the bending points offering immense advantages.
For thin plates, the roll span can be drastically reduced, generating excellent traction, and avoiding driving slippage and spring-back.
For thick plates, the bending span can be significantly increased thus reducing the bending load and plate deformation.
Additionally, bottom rolls can be moved independent to each other and can be placed asymmetrically to achieve high quality edge bending.
Another key benefit of horizontally moving bottom rolls is that the plates can be fed using a simple unpowered conveyor, saving costs.
The variable geometry machines deliver a multiple advantages to your fabrication infrastructure - a remarkably increased rolling capacity, reduced capital expenditure and lower ongoing operational costs. They prove to be the most attractive investment for heavy plate thickness (Above 80mm) applications.
V- Series Product Range
Model
Top roll size
Bottom roll size
Rolling
Pre-pinching
VMH/30
535
465
72
46
VAH/30
730
600
125
80
VSH/30
830
710
150
100
* All capacities are as per 26 Kg/mm2 (Yield Strength of Plate Material)
* All dimensions are in mm.
We offer machines with fixed as well as variable speeds according to your application and feed requirements.
Build Quality & Benefits
Sturdy Steel Structure
Himalaya machines have a robust steel structure made from heavy metal plates. The frames are connected to each other by a strong box design chassis. The frames have interlocks & strengthening ribs.
Rolls
The rolls are the most important elements of our machines. Himalaya designs the rolls with optimal diameter and uses forged carbon steel rolls that are machined by high precision CNC lathes. Our rolls have a special spline-based design that is extremely efficient in connecting the rolls with the planetary gear system. This diminishes points of roll failure compared to welded connections provided by other manufacturers.
Crowning
Our rolls are crowned to compensate for roll deflection during the bending process. Custom crown-machined rolls for different materials or thickness can be selected when ordering.
Hydraulic Gear System
Additional energy saving is ensured in our variable geometry machines by a hydraulic system which can work at less than full capacity when jobs less than maximum thickness are rolled. Twin speed operation also reduces the energy consumption up to 50% when slower operating speed is selected.
Himalaya Planetary driving system ™ used in our machines is efficient and eliminates energy wastage associated with heavy-transmission systems and yet achieves the goal of speed reduction by increasing the stages in gears and pinions.
Operational Benefits
Pre-Pinching (Pre-Bending)
The pre bending operation does not require the plate to tilt below the feeding level saving handling time. Edge bending can be done before or after shell rolling depending on operator skill and choice. Thin plates can be rolled and edge-bent in a single pass.
Easy Cone Bending
The cone bending process with the V series is simple. As the bottom rolls move horizontally, plate feeding is highly convenient. Only the Top roll needs to be inclined to achieve cone bending geometry. This is controlled and monitored by electronic microprocessor (on some models).
Our control system also ensures accuracy on repetitive jobs and easy return to parallel setting after cone bending.
High Productivity
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State-of-the-art in forming cylinders and cones.
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Easy to install, extremely user-friendly and convenient to service.
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Simple to learn and operate. No extensive operator training required.
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Robust construction reduces wear & tear.
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Readily available spare parts.
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Tropicalized oil cooling system ensures non-stop operations in hot working conditions.
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Easy to understand hydraulic and electrical system reduce unwanted down time.
Versatility
Other than cylinders and cones, other non-circular shapes like oil tankers and elliptical shells can be made using a PLC version. The machine can also be used as a heavy-duty press brake for other forming operations.
Economy
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Due to the exceptional build quality, failure-resistant linear guideway design, high operational precision, and a wide range of jobs that can accurately rolled, the K series machines prove to be the most attractive investment for any type of industry, regular production or a job shop.
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Due to a variety of accessories that are available to enhance the machine capability, the investment is justified in more than one way. The energy saving features and negligible maintenance cost also promise a low running cost.
Additional Features
Alongside our excellent design and build quality, we provide the following additional features and accessories upon request from our client.
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Surface-Hardened Rolls
Induction Hardened Rolls having Surface Hardness between 42 to 55 HRC for additional durability and longevity.
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Tilting Table
Tilting tables for support while feeding plates at specific angles. Specially useful for plates of larger lengths.
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Interchangeable Top Rolls
Interchangeable top rolls to add versatility to your large size machines for rolling small diameters shells. For e.g. interchangeable top roll of 350 mm diameter, on a machine having top roll of 470 mm diameter.
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Conveyors
Powered Conveyors that provide ease of plate feeding in case of longer plate lengths, improved machine performance and longevity.
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Central & Side Shell Supports
Central & side shell supports provide ease of operation, operational cost saving and productivity while increasing safety of workers.
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PLC Control
PLC Controllers provide precision, ease of operation, while identifying needs for preventive maintenance to increase machine life and optimize productivity.
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Hard Chrome Plated Rolls
Hard chrome plated rolls for special applications in Pharma and Dairy Industry.
The HIMALAYA Advantage
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What is done to compensate for deflection of rolls during pre-bending and rolling?All rolls are crowned (cambering) for compensating deflection.
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What is the arrangement provided for balancing of top roll when swing arm is opened?Top roll is counter balanced automatically once the drop end is opened without any jacks or manual arrangement.
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Is there any method to know the position of bottom rolls?DRO (Digital Readout) is housed on the operating console which gives the position of the bottom rolls with respect to the top roll.
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What is the capacity for cone bending?Cones can be bent up to the edge-bending capacity of the machine. The bottom rolls can be inclined for the required cone angle.
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What is the level of protection for electrical components?Some of the electrical bough outs are IP 55 like motors, switchgears etc. The electrical cabinet will be manufactured as per our standard practices and will meet IP 55 protection.
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Is the main drive reversible?Forward and reverse to the main drive is provided. The bottom rolls can be moved up and down individually.
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What is the type of oil required?Hydraulic oil – Enklo 68 Planetary Gear box – EP 90
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Where are the main machine controls?Operating console houses push buttons for all the operations of the machine. The console is movable so that the operator can keep it at any desired location.
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Can we bend hot plates on the machine to get higher thickness capacity?Although the standard machine is not meant for hot rolling, occasional hot rolling can be done (a few jobs per month) provided that suitable precautions are taken.
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Some plates have high yield point (YP). The rolling capacities are rated for 26Kg/mm2. How to find the equivalent thickness?Divide the Actual YP by 26. Find square root of this number. Multiply this value by actual plate thickness to get effective thickness.
Enjoy the peace of mind that you are in good hands.
FAQs
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What is done to compensate for deflection of rolls during pre-bending and rolling?All rolls are crowned (cambering) for compensating deflection.
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What is the arrangement provided for balancing of top roll when swing arm is opened?Top roll is counter balanced automatically once the drop end is opened without any jacks or manual arrangement.
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Is there any method to know the position of bottom rolls?DRO (Digital Readout) is housed on the operating console which gives the position of the bottom rolls with respect to the top roll.
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What is the capacity for cone bending?Cones can be bent up to the edge-bending capacity of the machine. The bottom rolls can be inclined for the required cone angle.
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What is the level of protection for electrical components?Some of the electrical bough outs are IP 55 like motors, switchgears etc. The electrical cabinet will be manufactured as per our standard practices and will meet IP 55 protection.
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Is the main drive reversible?Forward and reverse to the main drive is provided. The bottom rolls can be moved up and down individually.
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What is the type of oil required?Hydraulic oil – Enklo 68 Planetary Gear box – EP 90
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Where are the main machine controls?Operating console houses push buttons for all the operations of the machine. The console is movable so that the operator can keep it at any desired location.
-
Can we bend hot plates on the machine to get higher thickness capacity?Although the standard machine is not meant for hot rolling, occasional hot rolling can be done (a few jobs per month) provided that suitable precautions are taken.
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Some plates have high yield point (YP). The rolling capacities are rated for 26Kg/mm2. How to find the equivalent thickness?Divide the Actual YP by 26. Find square root of this number. Multiply this value by actual plate thickness to get effective thickness.
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