Used Mazak FH-6800 Horizontal Machining Center: Technical Performance Review

Author:JINYI           Date:2026-02-07

Used Mazak FH-6800 Horizontal Machining Center

Stock No. 810934
Brand Mazak
Model FH-6800
Origin Japan
CNC System MAZATROM 640
Spindle Speed 10000 rpm
Table Size 630 × 630 mm
Travel (X/Y/Z) 1050 × 800 × 825 mm
ATC Capacity 160 Tools
Table Indexing 0.001°
Cooling System Coolant Through Spindle (CTS)

1. Equipment Overview: The Legacy of Mazak FH Series

The Mazak FH-6800 stands as a testament to Japanese engineering excellence in the realm of Horizontal Machining Centers (HMC). Designed for high-volume, high-precision manufacturing, the FH series has long been the gold standard for heavy-duty industrial applications. This machine is engineered to provide a rigid platform that minimizes vibration and thermal expansion, two critical factors in maintaining tight tolerances over long production runs. Whether it is utilized for mass-producing automotive components or crafting complex aerospace structures, the Mazak FH-6800 delivers consistent performance. The horizontal spindle configuration is inherently superior for chip evacuation, ensuring that the work area remains clear and the tools maintain optimal contact with the workpiece without interference from re-cutting chips.

2. Detailed Parameter Analysis: Precision and Power

Technically, the Mazak FH-6800 is a powerhouse. At its core is the MAZATROM 640 control system, which integrates advanced processing power with an intuitive user interface. This allows operators to transition quickly between conversational programming and standard EIA/ISO G-code. The spindle, operating at a maximum of 10,000 rpm, provides the versatility needed for both high-speed finishing and heavy-duty roughing operations.

Robust Mechanical Foundation

The 630 x 630 mm table is designed to handle significant payloads, making it suitable for machining heavy castings and forged parts. With an X-axis travel of 1050 mm, Y-axis of 800 mm, and Z-axis of 825 mm, the Mazak FH-6800 provides a massive working envelope. The 0.001° indexing capability of the table is a game-changer for precision engineering, allowing for highly accurate multi-sided machining. This level of resolution ensures that complex angles and features on multi-faced parts are aligned with near-perfect accuracy.

Advanced Tooling and Cooling Capabilities

One of the most remarkable features of this specific unit (Stock No. 810934) is its 160-station Automatic Tool Changer (ATC). In a modern production environment, tool management is often a bottleneck. A 160-tool magazine allows for a vast array of cutting tools to be pre-staged, significantly reducing setup times for complex jobs and enabling the machine to run unattended for longer periods. Furthermore, the Coolant Through Spindle (CTS) system is essential for high-performance drilling and milling. By delivering high-pressure coolant directly to the tool tip, it flushes chips out of deep cavities and keeps the cutting edge cool, thereby extending tool life and improving surface finish quality.

3. Application Case Studies: Where the FH-6800 Excels

The versatility of the Mazak FH-6800 has led to its adoption across diverse sectors. In the automotive industry, it is a preferred choice for machining engine blocks and cylinder heads, where the high-torque spindle and 160-tool capacity allow for complete processing in a single setup. In the hydraulic industry, the machine is frequently used to produce manifold blocks. The 0.001° indexing ensures that internal ports and external mounting holes are perfectly synchronized. Furthermore, for general contract manufacturing, the ability to switch between vastly different parts—ranging from aluminum housings to stainless steel brackets—makes the FH-6800 an invaluable asset for workshops that demand high flexibility without sacrificing precision.

4. Maintenance and Machine Health History

Maintaining a machine of this caliber requires diligence. This particular Mazak FH-6800 has been kept under a strict preventive maintenance regime. The spindle has undergone regular run-out checks to ensure that the 10,000 rpm speed remains vibration-free. The lubrication system has been monitored to ensure all linear guides and ball screws receive the precise amount of oil required to prevent friction-induced heat. The ATC chain and tool selection arm have been calibrated to maintain the lightning-fast tool change speeds that Mazak is famous for. As a used machine from Japan, it carries the hallmark of meticulous care often found in Tier-1 manufacturing facilities, ensuring that the next owner receives a machine ready for immediate production duty.

5. Cost-Effectiveness: Strategic Value of a Pre-Owned Mazak

Purchasing a brand-new horizontal machining center of this specification can involve a capital investment of several hundred thousand dollars and a lead time of many months. Opting for a used Mazak FH-6800 allows a company to acquire world-class machining capability at a fraction of the cost. The rapid ROI (Return on Investment) is driven by the machine's high reliability and the fact that most of the depreciation has already occurred. Given the 160 ATC and CTS features—which are expensive add-ons on new machines—this unit represents a strategic acquisition for any company looking to upgrade its technical capacity while maintaining a lean budget. It offers the same precision and throughput as newer models but with a significantly lower entry barrier.

Frequently Asked Questions (FAQ)

1. What makes the MAZATROM 640 control special?

The MAZATROM 640 is a PC-based control that offers advanced networking capabilities and an easy-to-use interface. It is famous for its conversational programming, which allows operators to program complex parts by answering simple questions about the geometry.

2. Is the 10000 rpm spindle suitable for heavy steel cutting?

Yes. While 10,000 rpm is high for steel, the spindle is designed with a high torque range at lower RPMs, making it perfectly capable of handling heavy-duty milling and tapping in tough alloys.

3. Can the 160-tool ATC be upgraded or modified?

The 160-tool capacity is already a very high-end configuration. It uses a chain-style magazine that is highly reliable and provides more than enough capacity for even the most complex manufacturing tasks.

4. How does the Coolant Through Spindle benefit my production?

CTS allows you to run faster feed rates during drilling and milling because it effectively removes heat from the cutting zone. It also prevents "chip packing" in deep holes, reducing the risk of tool breakage.

5. What is the precision level of the 0.001° indexing?

The 0.001° indexing allows for 360,000 discrete positions on the B-axis. This enables the machine to perform ultra-precise positioning for five-sided machining, ensuring that all features are perfectly geometric to each other.

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