Home Products Miller Weldmaster 112 Extreme Large-Format Hot Air Fabric Welding Machine
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Miller Weldmaster 112 Extreme Large-Format Hot Air Fabric Welding Machine

Weld thermoplastic fabric panels up to 3 m wide into strong, waterproof seams at up to 20 m/min, on an automated table with vacuum hold, laser alignment and a traversing welding head. The Miller Weldmaster 112 Extreme is built in the USA, supplied, installed and supported across India by Magnum Resources.

Up to 20 m/min
Welding Speed
Up to 3 m
Throat Width
730°C
Max Hot-Air Temp
USA
Country of Origin
12-16 weeks
Typical Lead Time
Hot Air
Welding Method
Factory-Backed
Install & Training
Request a Quote
Overview

About this machine

What the 112 Extreme welds

The Miller Weldmaster 112 Extreme is a large-format hot air fabric welding machine. Heated air softens two layers of thermoplastic fabric while a traversing head and pressure fuse them into a continuous, waterproof seam. It welds at up to 20 m/min, takes a throat up to 3 m wide built to your specification, and reaches 730°C, so it closes the long seams on wide panels that a compact bench welder has to split into sections.

Buyers know this machine by many names. The 112 Extreme answers searches for a thermoplastic welding machine, a large-format fabric welding machine, a hot air welding machine, a PVC fabric welding machine, an automatic fabric welding table and a tent, awning or banner welding machine. If you searched for any of those, this is the machine that does the work.

Built for wide, large-format panels

This is the automated table in the Miller Weldmaster range, built around big panels rather than portability. A vacuum track holds the fabric flat, laser lights set the line, and a digitally controlled traversing head runs the weld from a touch screen, so a seam two or three metres long comes out as straight and even as a short one. It is built to length to fit your shop and your product, with a rotary cutter for cut-to-length work and material-handling tables to make loading wide rolls manageable.

It suits fabricators who weld wide thermoplastic fabric every day: tent and structure makers, awning and canopy shops, banner and billboard printers finishing large-format work, and builders of architectural and tensile membranes.

Large-format table vs a compact bench, portable or RF welder

Miller Weldmaster makes four welders, and they do different jobs. The 112 Extreme is the large-format hot-air table for wide panels and long seam runs. The T300 Flex is a compact hot air and hot wedge bench for narrower, mixed work. The Triad Extreme is a 25 kg portable hot-wedge welder that travels to the seam. The RFlex uses radio-frequency energy for sealed PVC, PU and TPU welds. If your panels are wide and your seams are long, the 112 Extreme is the right tool, and our engineers will help you confirm it.

  • Large-format: a throat up to 3 m wide, built to your specification, for wide panels in one pass.
  • Fast: continuous hot-air seams at up to 20 m/min.
  • Automated: vacuum hold, laser alignment and a digitally controlled traversing head.
  • Versatile seams: butt, hem, keder, overlap and other configurations on one table.
  • Right tool: 112 Extreme for wide panels; T300 for mixed bench work; Triad for portable; RFlex for RF.

Industries that use the 112 Extreme

Any operation that welds wide thermoplastic fabric is a fit. Miller Weldmaster lists the 112 Extreme across:

  • Tents and structures: tents, clear-span buildings, shelters and pergolas.
  • Awnings and shades: awnings, canopies, shades and tension structures.
  • Signage: banners, billboards and large-format signs.
  • Architectural membranes: tensile structures, facades and pool covers.
  • Curtains and covers: truck side curtains, agricultural and gymnasium curtains, tarpaulins and covers.
  • Specialist: athletic mats, screens, roller doors and aerospace technical fabric.

Why source the 112 Extreme through Magnum Resources

Magnum Resources is Miller Weldmaster's authorised India partner, working directly with the US factory. Because the 112 Extreme is built to length, the throat width, seam types and power supply all need to be right before it is made, so we confirm them with the factory first. We bring it in, clear customs, set it up on your floor and train your team on the touch-screen controls. Nozzles, belts and service then come back to us rather than overseas.

If you are evaluating a large-format fabric welding machine or a hot-air welder for tents, awnings, signage or membrane work in India, talk to our engineers about your panel width, material and seam types. We will give you accurate specs, an honest lead time and a configured quotation.

Built For

Who the 112 Extreme is built for in India

A large-format hot air welder that fuses wide thermoplastic fabric panels into strong, waterproof seams, whether you make tents, awnings, banners or architectural membranes. Find where you fit below.

Tent, Shelter & Structure Fabricators

Tent, Shelter & Structure Fabricators

Weld wide thermoplastic panels for tents, clear-span buildings and shelters into waterproof seams on one automated table.

Awning, Canopy & Pergola Makers

Awning, Canopy & Pergola Makers

Close long awning, canopy and pergola seams at speed, with laser-aligned welds that stay straight across wide panels.

Banner, Billboard & Signage Producers

Banner, Billboard & Signage Producers

Finish large-format banners, billboards and signage with clean welded hems and pockets instead of stitched or taped edges.

Architectural & Tensile Membrane Builders

Architectural & Tensile Membrane Builders

Weld wide PVC and coated-fabric membranes for tensile structures and facades, with repeatable seams built to your panel width.

Specifications

Technical data

Specifications are supplied by the manufacturer. Custom configurations available. Speak to our engineers.

Download Full Datasheet (PDF)
Welding Performance
Welding Method
Hot air
Welding Speed
Up to 20 m/min
Welding Cycle
Up to 15 seconds (varies with application, seam width and material)
Seam Width
6 - 50 mm (0.25 - 2")
Max Temperature
730°C (1,350°F)
Throat Width
3 m (118"), up to customer specification
Automation & Handling
Parameter Control
Digital touch-screen control of all welding parameters
Material Hold
Vacuum track for accurate material placement
Alignment
Laser lights for precise image alignment
Welding Head
Digitally controlled traversing head for consistent application
Cut-to-Length
Built-in rotary cutter
Material Tables
Material-handling tables to simplify loading
Seam Types
Configurations
Butt, channel, coverstrip, fin, flat seam tube, hem, hem with pocket, hem with rope, keder, overlap and extrusion beading
Power & Air Supply
Voltage Options
208-240V single/three-phase 80A, or 400V three-phase (5-wire) 50A
Power Consumption
Approx. 10 kW
Compressed Air
7 cfm at 120 psi
Dimensions & Build
Width
1.2 m (47")
Length
3 m (118"), customizable
Height
2.5 m (98")
Weight
1,360 kg (2,998 lb)
Manufacturer
Miller Weldmaster, USA
Return on Investment

What this machine saves you

The numbers Indian manufacturers use to justify the CAPEX internally.

Up to 20 m/min

Welding Speed

Welds continuous seams at up to 20 m/min, so the long seams on tents, awnings and architectural panels close far faster than working them by hand with a hot-air gun.

Up to 3 m

Panel Throat Width

A throat up to 3 m wide, built to your specification, takes large-format panels in a single pass instead of splitting them into narrow sections.

Auto

Vacuum, Laser & Traverse

A vacuum table holds the fabric, laser lights set the line and a digitally controlled head runs the weld, so results stay repeatable without hand-guiding the seam.

Complete Package

What's included with every machine

From factory to running on your floor, Magnum handles it end to end.

The Welding Table

Factory-tested at Miller Weldmaster in the USA before dispatch

Import & Customs

Freight and clearance to your site, handled by Magnum

Installation & Setup

Coordinated by Magnum with OEM-backed engineers

Operator Training

On-site run-in and touch-screen training at start-up

Factory-Supplied Spares

Nozzles, belts and wear parts sourced to order from Miller Weldmaster

Technical Support

Remote and OEM-backed support after start-up

Buying Through Magnum

One accountable partner, from quote to first weld

Magnum Resources is the authorised India partner for Miller Weldmaster, the US industrial fabric welding specialist. The 112 Extreme is built to length, so we agree the throat width, seam types and power supply with the factory before it is made. We then handle import and customs, our engineers install it and train your team on the touch-screen controls, and service stays with the same team afterwards.

Authorised India Partner

A direct line to Miller Weldmaster in the USA for specification, pricing and engineering support.

One Point of Accountability

A single team for sourcing, import, customs, installation and training.

On-Site Installation & Training

OEM-backed engineers set the welder up and train your operators in person.

Factory-Supplied Spares

Genuine nozzles, belts and wear parts sourced directly from Miller Weldmaster.

Key Features

Engineering deep-dive

For maintenance teams and production engineers who want to look under the hood.

01

Welds continuous hot-air seams at up to 20 m/min for long, large-format panels

02

Digitally controlled traversing head with touch-screen control of every welding parameter

03

A versatile table configured to your panel width and 11 seam types

04

Laser lights align printed graphics and seams precisely before each weld

05

Vacuum track holds and protects the fabric for accurate, repeatable placement

06

Welds thermoplastic, PVC, vinyl and acrylic coated fabric and sheet material

07

Runs on about 10 kW from a 208-240V or 400V three-phase supply

08

Built in the USA by Miller Weldmaster to a consistent factory standard, supplied and supported across India by Magnum

Watch It Run

See it in action

Real footage from installed sites and OEM demonstrations.

Miller Weldmaster 112 Extreme Large-Format Hot Air Fabric Welding Machine - video thumbnail
Miller Weldmaster 112 Extreme Large-Format Hot Air Fabric Welding Machine - video thumbnail
FAQs

Questions Indian buyers ask us

Real questions from our last 50 enquiries, answered upfront.

It suits fabricators who weld wide thermoplastic fabric: tent, shelter and structure makers, awning, canopy and pergola shops, banner, billboard and signage printers finishing large-format work, and builders of architectural and tensile membranes. If your panels are wide and your seams are long, this is the welder for the job.

It is a hot air welder. Heated air softens two layers of thermoplastic fabric, then a traversing head and pressure fuse them into a continuous, waterproof seam. It is not a radio-frequency or hot-wedge machine; for those, see the Miller Weldmaster RFlex and the Triad Extreme.

The throat is built up to 3 m (118") wide to your specification, and the table length is customizable, so it takes large-format panels in a single pass instead of splitting them into narrow sections. That wide throat is the main difference from the compact T300 Flex bench, which has a 1 m throat.

It welds at up to 20 m/min and reaches a hot-air temperature of 730°C (1,350°F). The weld cycle runs up to about 15 seconds depending on the application, seam width and material. That is far faster and more consistent than working a long seam by hand with a hot-air gun.

The 112 Extreme is the large-format hot-air table for wide panels and long seam runs. The T300 Flex is a compact hot air and hot wedge bench for narrower, mixed work. The Triad Extreme is a 25 kg portable hot-wedge welder that travels to the seam. The RFlex uses radio-frequency energy for sealed PVC, PU and TPU welds. Many fabricators run more than one, and we help you choose.

It welds thermoplastic coated fabric including PVC, vinyl and acrylic. A vacuum table, laser alignment and a rotary cutter support 11 seam configurations: butt, channel, coverstrip, fin, flat seam tube, hem, hem with pocket, hem with rope, keder, overlap and extrusion beading.

Price depends on the throat width, seam configuration and power supply, because the machine is built to length, so we quote each project individually. Typical lead time is around 12 to 16 weeks including manufacture, freight and customs, after which Magnum coordinates installation and operator training in India.

Magnum is the authorised India partner for Miller Weldmaster. We confirm the build specification with the factory, manage freight and customs, coordinate installation and start-up with OEM-backed engineers, train your operators on the touch-screen controls, and supply genuine nozzles, belts and wear parts to order. You keep one point of contact throughout.

Enquire

Talk to a Magnum specialist

Tell us about your production line and what you're trying to achieve. We'll come back within one business day with pricing, lead time and any technical questions answered.