Tube Bending
We support tube bending for formed tubular components used in structural, mechanical, and flow-based applications. Our bending work is carried out to meet defined dimensional, geometric, and functional requirements, based on customer drawings and technical specifications.
Tube Bending Capabilities
At A Glance
- • NC and CNC tube bending
- • Small to large diameter tubes processed ( See Below )
- • Steel, stainless steel, aluminium, and copper materials
- • Capacity varies by material, diameter, and wall thickness
Tube Bending Services at MMI
Tube bending operations at MMI use NC and CNC machines to support a range of tube diameters and wall thicknesses in carbon steel, stainless steel, aluminium, and copper. Bending methods are selected based on material behavior, bend radius, wall thickness, dimensional requirements, and application constraints. Part size and bending feasibility are reviewed during execution, with manufacturability feedback provided where required. Operations are carried out in line with customer-defined tolerances, drawings, and delivery conditions. Where specified, secondary and integrated operations such as cutting, trimming, welding, assembly, and surface finishing through approved partners are supported.
Tube Bending Capacities
Tube bending capacities are controlled based on material and bending method:
| NC Tube Bending | Precision Series (Smaller Specifications) |
|---|---|
| Carbon Steel | up to Ø38 mm, 1.5 mm wall |
| Stainless Steel | up to Ø30 mm, 1.5 mm wall |
| Aluminum | up to Ø38 mm, 3–5 mm wall |
| NC Tube Bending | High-Capacity Series (Larger Specifications) |
|---|---|
| Carbon Steel | up to Ø80 mm, 1.5 mm wall |
| Stainless Steel | up to Ø70 mm, 1.5 mm wall |
| Aluminum | up to Ø90 mm, 3–5 mm wall |
| CNC Tube Bending | |
|---|---|
| Carbon Steel | up to Ø38 mm, 2 mm wall |
| Stainless Steel | up to Ø38 mm, 1.5 mm wall |
| Aluminum | up to Ø38 mm, 3–5 mm wall |
Tube Bending Solutions
5 Axis
Brazing
Assembly
Why Choose MMI for Tube Bending?
NC and CNC Bending Capability
We support both NC and CNC tube bending to handle a wide range of tube specifications. NC bending is used for simpler bends across smaller and larger tubes, while CNC bending allows us to manage complex geometries using multi-axis control.
Capability Range
Our dedicated machines support different tube diameters and wall thickness ranges, selected based on material type and the bending method required for the application.
Process Control
Bending conditions are established and checked to ensure consistent dimensions and reliable results across production runs, based on defined process parameters and inspection controls.
Available Secondary Processes
Tube bending can be performed as an individual operation or combined with downstream processes, depending on program requirements.
Tube Bending Materials
Material selection and bending parameters are defined strictly by customer drawings and technical specifications.
Carbon Steel
Carbon steel tubes are bent for structural and mechanical applications. Diameter and wall thickness are controlled as specified on customer drawings.
| Description | Particulars |
|---|---|
| Bending capability OD×WT (carbon steel) | Φ38.1×2.0 mm |
| Bending radius range (by tools) | 25–180 mm |
| Radius range (by push bending) | ≥10D |
| Bending angle range | 0–190° |
| Max bending length with mandrel | 4200 mm |
| Max bending speed | 180°/sec |
| Bending accuracy | ±0.1° |
| Feeding speed range | 30–1500 mm/sec |
| Feeding accuracy | ±0.1 mm |
| Max rotating speed | 640°/sec |
| Rotating accuracy | ±0.1° |
| Tools stack | 3 |
| Bending | Electric Servomotor |
| Feeding/Booster (pushing) | Electric Servomotor |
| Rotating | Electric Servomotor |
| Work head shift (horizontal) | Electric Servomotor |
| Work head shift (vertical) 5-axis | Hydraulic |
| Main motor power | 5.5 KW |
| System hydraulic pressure | 12 MPa |
| Size | 5300×1200×1600 mm |
| Weight | About 3200 kg |
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