MT Portable Machine
| Payment Terms | T/T |
| Delivery Time | 5-7 days |
| Rotation Speed (Pneumatic) | 28 rpm |
| Rotation Speed (Electric) | 0–23 rpm |
| Mounting Type | ID-Mounted internal clamping |
| Guide System | “V” linear guide system |
| Brand Name | MT Portable Machine |
| Model Number | FI80 |
| Certification | ISO9001 & CE |
| Place of Origin | Wuxi, China |
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Product Specification
| Payment Terms | T/T | Delivery Time | 5-7 days |
| Rotation Speed (Pneumatic) | 28 rpm | Rotation Speed (Electric) | 0–23 rpm |
| Mounting Type | ID-Mounted internal clamping | Guide System | “V” linear guide system |
| Brand Name | MT Portable Machine | Model Number | FI80 |
| Certification | ISO9001 & CE | Place of Origin | Wuxi, China |
| High Light | 80 Inches Flange Milling Machine ，80 Inches Flange Facer Equipment ，High Durability Flange Milling Machine | ||
ON-SITE MACHINING CASE STUDY
Resurfacing a 3-Meter Diagonal Motor Base
What seems impossible to many becomes reality with the right tools and vision. A recent customer, inspired by our shared success stories, took on a challenging job: restoring a massive rectangular motor mounting base with a diagonal length of 3 meters.
By leveraging our FI80E on-site flange facing machine, the team completed this oversized milling task in segments. They first machined half of the surface, then realigned the machine precisely to finish the remaining area. The final result? A surface flatness within 0.05 mm, exceeding industry expectations.
This case highlights the versatility and innovation of MT’s field machining equipment. With the right thinking and tools, on-site challenges become opportunities. If you're facing a similar project, contact us to find the most efficient solution.
PRODUCT INTRODUCTION
The FI80 On-Site Flange Facing Machine is a high-precision, internally mounted solution for field resurfacing of large-diameter flanges. Designed specifically for on-site machining, this portable machine restores damaged or corroded flange sealing faces—ranging from 26.34" to 80" (670–2032 mm)—without requiring disassembly or factory transfer.
Whether dealing with flat face (FF), raised face (RF), ring-type joint (RTJ), or special groove profiles, the FI80 ensures ASME-compliant finishes with minimal downtime. Its modular structure and lightweight components allow quick installation even in challenging environments such as power stations, offshore platforms, and remote petrochemical facilities.
MACHINE FEATURES
Extra-Large Diameter Capability
Internally mounts to machine flanges up to 80" diameter, ideal for pipelines, exchangers, and pressure vessels.
High-Rigidity Precision Cutting System
Equipped with NSK bearings, V-rail linear guides, and a 4-inch tool post travel, ensuring exceptional cutting accuracy and surface quality.
Fully Modular Design
Detachable components reduce weight for safer handling and allow quick on-site setup and alignment.
Six Continuous Feed Options
Automatic feed system produces smooth or spiral serrated finishes compliant with ASME B16.5 sealing standards.
360° Swivel Tool Post & Multi-Groove Capability
Enables custom machining of V-grooves, weld overlays, lens rings, and RTJ profiles at any angle or orientation.
TECHNIAL SPECIFICATIONS
| Item | FI80P (Pneumatic) | FI80E (Electric) |
|---|---|---|
| Drive Type | Pneumatic Motor (4.1 Hp / 3.0 kW) | Panasonic Servo Motor (4.1 Hp / 3.0 kW) |
| Air Consumption | 2.8 m³/min @ 0.6 MPa | N/A |
| Voltage | N/A | 220–240 V, 50/60 Hz |
| Facing Diameter | 670–2032 mm (26.3"–80") | 670–2032 mm (26.3"–80") |
| ID Mounting Range | 790–1900 mm (31.1"–74.8") | 790–1900 mm (31.1"–74.8") |
| Feed Speed | 0.15,0.2,0.24,0.32,0.5,0.69 mm/rev | 0.15,0.2,0.24,0.32,0.5,0.69 mm/rev |
| Rotation Speed | 28 rpm | 0-23 rpm |
| Shipping Weight | 1025 kg | 1075 kg |
| Shipping Dimensions | 2015×800×880 mm | 2015×800×880 mm |
HOW TO CHOOSE THE RIGHT POWER OPTION FOR ON-SITE FLANGE FACING
Pneumatic Drive – FI80P
Motor: Modec 3.0 kW (4.1 HP) pneumatic motor
Best suited for explosive environments or areas with strict safety codes
Requires a high-flow compressed air supply; long distances may require additional compressors
Electric Drive – FI80E
Motor: Panasonic 3.0 kW (4.1 HP) electric servo motor
Ideal for general workshop or plant shutdown repairs
Features constant torque, stepless speed control, and digital speed
Easy operation even in confined or elevated locations
Company Details
Business Type:
Manufacturer
Year Established:
2014
Total Annual:
10000000-20000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
MT Portable Machine was established in 2014 and is headquartered in Wuxi, Jiangsu Province, China. With decades of expertise in the field of portable machine tools, we have successfully expanded our products and services to customers worldwide. What began as a small team of just three people has s... MT Portable Machine was established in 2014 and is headquartered in Wuxi, Jiangsu Province, China. With decades of expertise in the field of portable machine tools, we have successfully expanded our products and services to customers worldwide. What began as a small team of just three people has s...
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