Used Twinhorn VH850L VMC: High-Rigidity Solution with Mitsubishi M70A

Author:JINYI           Date:2026-02-26

Used Twinhorn VH850L VMC

Specification Details
Stock Number 810947
Brand / Origin Twinhorn / Taiwan
Model VH850L
CNC Control System Mitsubishi M70A
Axis Travel (X/Y/Z) 800 * 500 * 500 mm
Spindle Type / Speed BT40 / 8,000 RPM
ATC Capacity / Type 24-Station / Arm-Type

1. Equipment Overview: The Legacy of Taiwanese Engineering

The Twinhorn VH850L stands as a testament to the robust engineering excellence that has made Taiwan a global hub for machine tool manufacturing. Designed for high-performance vertical milling, the Twinhorn VH850L series is engineered to deliver exceptional thermal stability and mechanical rigidity. This used unit, Stock No. 810947, represents a prime opportunity for manufacturers to acquire high-tier capability at a fraction of the cost of a new machine.

Built on a heavy-duty cast-iron frame, the Twinhorn VH850L utilizes a wide-stance column and a reinforced base design to dampen vibrations during aggressive cutting operations. Whether you are dealing with heavy material removal or high-speed finishing, this machine provides the structural integrity required to maintain tight tolerances over long production cycles. The "L" designation in this model often points toward its linear guide configuration, which offers high-speed movement and rapid acceleration, ideal for modern manufacturing environments where cycle time is critical.

2. Technical Deep Dive: Component Analysis

The Mitsubishi M70A Control Advantage

At the heart of this machine is the Mitsubishi M70A CNC system. Known for its user-friendly interface and lightning-fast processing speeds, the M70A is a favorite among operators worldwide. It features advanced Look-Ahead functions and high-accuracy contour control (G05.1), allowing the machine to navigate complex 3D toolpaths with extreme smoothness. For mold-makers, this translates to superior surface finishes and reduced manual polishing time.

Optimized Spindle and Tool Management

The 8,000 RPM BT40 spindle is a versatile workhorse. The BT40 taper provides a larger contact surface than smaller tapers, ensuring better rigidity during side milling and face milling. Complemented by a 24-station arm-type Automatic Tool Changer (ATC), the Twinhorn VH850L minimizes chip-to-chip time. Unlike carousel-type ATCs, the arm-type mechanism is faster and keeps the spindle area clearer, reducing the risk of contamination from coolant and chips.

Precision Motion Control

The 800 x 500 x 500 mm travel envelope is perfectly sized for the majority of industrial parts. Each axis is driven by high-precision ballscrews and supported by premium linear guides, ensuring that the machine maintains its 0.005mm repeatability. The integrated oil cooler for the spindle further mitigates thermal expansion, which is essential for maintaining precision during multi-hour machining jobs.

3. Industry Applications and Use Cases

The Twinhorn VH850L is an incredibly versatile machine. In the Automotive Sector, it is frequently used for the production of engine components, transmission housings, and specialized brackets. Its ability to handle repetitive, high-accuracy drilling and tapping makes it a mainstay in Tier 1 and Tier 2 supplier shops.

In the Aerospace and Defense industry, the machine's rigidity allows for the processing of tough alloys like titanium or stainless steel (within appropriate feed parameters), while the Mitsubishi controller ensures the exacting documentation of part dimensions. Furthermore, the General Job Shop benefits from the Twinhorn VH850L's ability to switch quickly between different setups, thanks to the ample table space and the 24-tool magazine capacity.

4. Investment Value: The Used Machine Advantage

Purchasing a used Twinhorn VH850L provides an unmatched Return on Investment (ROI). New machines of this caliber often come with long lead times and high capital depreciation in the first 24 months. By choosing a well-maintained second-hand unit, you avoid the steep initial depreciation curve while still benefiting from the legendary reliability of Taiwanese craftsmanship.

For businesses looking to scale their capacity without overextending their credit lines, the VH850L offers the perfect balance. The Mitsubishi M70A system also ensures that finding skilled operators is easy, as it is one of the most widely used platforms in the global machining industry.

5. Frequently Asked Questions (FAQ)

Q1: What is the maximum table load for the Twinhorn VH850L?

The Twinhorn VH850L typically supports a maximum table load of approximately 500-600 kg, making it suitable for heavy workpieces and multi-fixture setups.

Q2: Does this machine support 4th-axis integration?

Yes, the Mitsubishi M70A system is capable of controlling a 4th axis. This machine can be retrofitted with a rotary table if required for your specific applications.

Q3: How does the arm-type ATC compare to a carousel-type?

The arm-type ATC on the Twinhorn VH850L is significantly faster, with a tool-to-tool change time usually under 2 seconds. It also provides better protection for the tool holders from flying chips and coolant.

Q4: What are the power requirements for this machine?

The machine typically operates on 3-phase AC 220V/380V (depending on the transformer configuration) with a power consumption rating of roughly 15-20 kVA.

Q5: Can I inspect the machine under power?

Absolutely. Stock No. 810947 is currently available in our showroom and is fully powered. We encourage prospective buyers to bring their own parts or programs for a test cut to verify accuracy and performance.

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