Plate Rolls
JMT HRB-4 Plate Roll with Overhead and Side Supports
JMT HRB-4 Plate Roll with Overhead and Side Supports
JMT HRB-4 Plate Roll with Overhead and Side Supports
JMT HRB-4 Plate Roll with Top & Side Supports
JMT HRB-4 Plate Roll with Supports
JMT Plate Roll with Top/Side Supports
JMT HRB-4 Plate Roll
JMT Plate Roll Demonstrated at Tradeshow
Tight Diameter Rolling
Excellent Prebending (Heavy & Tight)
JMT Planetary Guide System (Machines with 17'' or Below Top Roll)
Planetary Guide System
JMT Rectilinear Guide System (Machines with 17.72'' or Above Top Roll)
Rectilinear System - 4 Rolls Driven
JMT Aerospace Tank Bending Line
JMT 4 Roll Synchronization
JMT HRB-4 3013 with Vertical Option
Horizontal/Vertical Option Available for 3 & 4-Rolls
HRB-4 3065 (Front View)
HRB-4 3065 (Side View)
HRB-4 3065 Showing Top Roll Lift
HRB-4-3065 with Heavy Infeed
Hydraulic top roll lift is standard equipment
Custom Down-Flange Roll
Cone Bending
JMT HRB-4 Making a Box
JMT PLC Control (Standard Digital Readout)
NC Control for JMT Plate Roll
CNC Control for JMT Plate Roll
CNC - Shape Selection
CNC - Polycentric Data Entry Mask
Precise conical and poly-centric bending with CNC controls
Sample 4-Roll Capacity Chart
JMT Partner Companies

JMT HRB-4 Hydraulic 4-Roll Plate Rolls

Standard Specifications
• Control unit with 6 digital readouts
• Programmable multi-pass points
• Cone bending
• Hardened rolls (HRC 58)
• Highly durable forged 4140 alloy steel rolls machined by CNC Lathes with optimal crown (special crown upon request)
• All rolls mounted on bearings
• Electronic control for side rolls
• Dual speed control
• Stress relieved steel construction machine frame
• Hydraulic drop end with easy pull out system
• Central rolls are driven with hydraulic motor(s) and planetary gear box(es)
• All rolls driven on machines with 17.72″ and above top roll
• Electrical and hydraulic protection against overloads
• World standard electrical and hydraulic components (parts stocked by us or available off-the-shelf from your local supplier)
• Hydraulic pressure adjustable bottom roll (crowning compensation)

Optional Accessories
• CNC or NC control unit
• Remote (wired or wireless)
• All axis positioning with adjustable speed on CNC machines
• Variable speed control
• Oil cooler
• Side supports
• Vertical overhead supports
• Material feed table
• Changeable top roll for smaller diameters
• Polished rolls
• Automation available
• Custom machines readily available

We sell and support JMT products
throughout North America,
both directly and through local dealers.