Mainland CNC Precision Logo
MainlandCNC Precision Machine Tools
VMC855 Heavy-Duty Box-Way Machining Center - Mainland CNC Heavy Machine Tool
VMC855 ISO 230-2 Verified
Bed Casting Meehanite GC-275
Spindle Bearing P4 NSK / FAG
Factory Test 120h Continuous
Vertical Machining Centers

VMC855 Heavy-Duty Box-Way Machining Center

Extra-Wide Heavy-Duty Box-Way / Roller Guide Center for Die Steel & Heavy Cutting

X-Axis Travel 850 mm
Y-Axis Travel 550 mm
Z-Axis Travel 550 mm
Worktable Size 1050 × 550 mm
Max Table Load 800 kg
Available Controller Configurations:
FANUC 0i-MF Plus with Manual Guide i SIEMENS SINUMERIK 828D SYNTEC 22MA Heavy Milling Suite GSK 25i Industrial Heavy Duty Suite

Parametric Technical Specifications

Standard ISO 230-2
X-Axis Travel
850 mm
Y-Axis Travel
550 mm
Z-Axis Travel
550 mm
Worktable Size
1050 × 550 mm
Max Table Load
800 kg
Spindle Taper
BT40 / BT50 Heavy Taper
Spindle Speed Range
6,000 / 8,000 RPM (High-Torque 2-Speed Gearbox opt)
Spindle Motor Power
11 / 15 kW Heavy Servo
Tool Magazine Capacity
24 Tools BT50 Arm ATC
Tool Change Time (T-to-T)
2.2 seconds
Rapid Traverse (X/Y/Z)
24 / 24 / 20 m/min (Box-way) or 32/32/30 (Roller)
Cutting Feedrate
1 - 8,000 mm/min
Positioning Accuracy
±0.005 mm
Repeatability Accuracy
±0.003 mm
Machine Net Weight
6,800 kg

Key Engineering Advantages

  • ✓ Solid hardened and ground rectangular box guideways with Turcite-B hand-scraped mating surfaces
  • ✓ High-rigidity A-frame column structure with reinforced internal honeycomb ribbing
  • ✓ High-torque spindle motor delivering up to 180 Nm of continuous torque at low RPM
  • ✓ Double-supported Z-axis counter-balance cylinder ensuring smooth vertical movement
  • ✓ Heavy-duty screw chip conveyors with rear magnetic/chain-type chip removal system

Primary Industrial Applications

Large forging dies, automotive stamping tool inserts, and hot extrusion dies
Heavy oilfield gate valves, drilling equipment manifolds, and flanges
Railway locomotive bogie brackets and heavy machinery structural parts
Stainless steel, Inconel, and titanium alloy roughing and contouring

Engineering Overview

When roughing hardened tool steel, aerospace alloys, or heavy ductile castings, tool deflection and harmonic chatter are the primary obstacles. The Mainland CNC VMC855 is custom-designed with broad stance Meehanite cast iron box-ways to absorb cutting shocks that linear guides cannot sustain.

Hand-Scraped Turcite-B Way Architecture

Every sliding contact surface is precision hand-scraped by master fitters to guarantee over 85% contact area. Bonded with self-lubricating Turcite-B, the guideways prevent stick-slip motion while providing maximum dynamic damping during heavy face-milling cuts.

Fast Factory Quotation

Solicitar Cotação Direta de Fábrica

Atendimento direto por engenheiros de aplicação. Receba especificações técnicas completas, preços FOB/CIF e prazo de entrega em até 2 horas úteis.

🔒 100% confidencial. Seus dados cadastrais jamais são compartilhados com terceiros.