Description
The Leistritz Polymat 70/600 CNC Keyseater is a high-performance, heavy-duty broaching solution engineered for precision internal keyway cutting and complex profile machining. Built in 2011 and designed for demanding industrial environments, this CNC keyseater delivers exceptional accuracy, repeatability, and cutting power for large-scale components.
With a cutting capacity of 2.75” (70 mm) width and 23.62” (600 mm) length, the Polymat 70/600 is ideal for machining deep keyways and internal forms in oversized workpieces. Its impressive 21,000 kN cutting force ensures efficient material removal, even in high-strength alloys and heavy-duty applications. The machine accommodates workpieces up to 44,000 lbs, making it well-suited for industries requiring large component machining such as energy, aerospace, and heavy equipment manufacturing.
Equipped with a Siemens CNC control system and remote operation handle, this machine offers precise control over ram speed and feed rates, with a ram speed range up to 984 IPM and feed rates from 0.393” to 196”, allowing operators to optimize performance across a wide range of materials and geometries. The robust table design (35.4” x 44.88”) and elevated working height provide stability and accessibility during operation.
This unit comes complete with assorted tooling, coolant system components, and full manuals with schematics, ensuring it is ready for immediate integration into production. Its durable construction and advanced CNC capabilities make it a reliable solution for both job shops and high-volume manufacturing environments.
The Leistritz Polymat 70/600 CNC keyseater is an excellent choice for manufacturers seeking a powerful, precise, and versatile broaching machine capable of handling large, complex parts with consistency and efficiency.
GENERAL INFORMATION
• Manufacturer: Leistritz
• Model: Polymat 70/600 CNC
• Year: 2011
• Type: CNC Keyseater / Broaching Machine
• Condition: Excellent
• Availability: In Stock
SPECIFICATIONS
• Table Size: 35.4” x 44.88”
• Table Height: 68”
• Cutting Width: 2.75” (70 mm)
• Cutting Length: 23.62” (600 mm)
• Cutting Force: 21,000 kN
• Max Workpiece Weight: 44,000 lbs
• Ram Speed: 0 – 984.2 IPM
• Feed Rate: 0.393” – 196”
• Electrical: 460V / 3 Phase / 60 Hz
• Machine Weight: 7,500 lbs
• Machine Dimensions: 50” x 48” x 78” H
EQUIPPED WITH
• Siemens CNC Control with Remote Handle
• Assorted Tooling Package
• Coolant Nozzle & Clamp System
• Machine Manuals & Electrical Schematics
FEATURES
✓ High-precision CNC keyseating and broaching performance
✓ Heavy-duty 21,000 kN cutting force for demanding applications
✓ Capable of handling large workpieces up to 44,000 lbs
✓ Wide variable ram speed and feed rates for maximum flexibility
✓ Siemens CNC system for accurate and repeatable machining
✓ Suitable for both low-volume and production environments
✓ Designed for complex internal profiles and keyways
APPLICATIONS
• Keyway cutting in heavy industrial components
• Internal spline and profile broaching
• Gear and shaft manufacturing
• Oil & gas, energy, and power generation industries
• Aerospace and large component machining




























