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All Products > Filing Room Equipment > CHX 840
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Filing Room Equipment

CHX 840

The Vollmer CHX 840 and CHX 1300 are state-of-the-art CNC grinders designed to sharpen carbide-tipped circular saw blades with unmatched efficiency and precision. With five CNC-controlled axes, these machines offer complete face and top tooth grinding in a single clamping, minimizing setup time and maximizing accuracy.

Built with production sharpening centers and sawmills in mind, the CHX series features VOLLMER's unique double grinding wheel system, oscillation grinding, and automation-ready functionality-making it ideal for high-throughput environments.

CHX 840 grinds blades up to 33" (840 mm) while the CHX 1300 extends grinding up to 51" (1300 mm).

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Features

  • Face and top tooth grinding in one clamping
  • Five-axis CNC control (A1, B1, Z1, X1, V1) for full-profile machining
  • VOLLMER dual grinding wheel technology
  • Oscillation grinding for aggressive material removal
  • Automatic hook and clearance angle adjustment via A1 axis
  • Automatic set-up system with diameter recognition and acoustic sensor
  • Fully enclosed, hydraulic-free, low-maintenance design
  • Touchscreen interface with multifunction handwheel
  • Automatic lubrication system included
  • Compatible with oil or water-based coolant systems
  • Optional automation package for lights-out grinding

Benefits

The CHX series is designed to streamline your sharpening process with maximum precision and minimal downtime. By grinding the face and top of each tooth in one setup, operators significantly reduce machine adjustments and errors. The intelligent set-up system handles saw insertion, diameter detection, and blade positioning automatically-improving productivity and consistency.

Automation-ready options allow you to run unmanned batches of up to 25 saws, making CHX an ideal solution for high-volume operations looking to reduce labor costs and extend run time overnight.

Whether you're sharpening saws for wood, metal, plastic, or composite materials, the CHX series delivers reliable results and long-term performance.

Specifications

Specifications

Model|CHX 840|CHX 1300

Blade Capacity|Up to 33" (840 mm)|Up to 51" (1300 mm)

Clamping Operation|Single setup for face and top|Single setup for face and top

CNC Axes|5 (A1, B1, Z1, X1, V1)|5 (A1, B1, Z1, X1, V1)

Grinding Style|Oscillation standard|Oscillation standard

Angle Adjustment|Motorized via A1 axis with digital detection|Same

Automatic Setup|Yes (diameter detection + sensor)|Yes (diameter detection + sensor)

Automation Option|Optional HS loader (up to 25 saws)|Optional HS loader (up to 25 saws)

Coolant Compatibility|Water or oil-based|Water or oil-based

Interface|Touchscreen + multifunction handwheel|Touchscreen + multifunction handwheel

Maintenance|Hydraulic-free, automatic lubrication|Hydraulic-free, automatic lubrication

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