Raymond Mill Spider Frame

The quincunx frame is a core support component of the Raymond mill, named for its plum blossom-shaped branched structure. It is fixed at the top of the main shaft and suspended inside the grinding chamber, supporting the full weight of the roller assembly. Rotating synchronously with the main shaft, it transmits power from the main shaft to the grinding rollers, driving them in revolution. It is the key link between the drive system and the grinding components.

Features and Advantages of Raymond Mill Spider Frame

Stable & Reliable: Adopts an integrated center support design, ensuring stable operation of the Raymond mill while reducing vibration and noise.

High Load Capacity: Made of high-strength cast steel with excellent rigidity and deformation resistance, capable of withstanding long-term heavy-load conditions without cracking or deforming.

High Efficiency: The vertical swing-type quincunx frame enables maximum surface contact between the grinding rollers and the grinding ring, converting 100% of centrifugal force into grinding force. With high energy utilization and a constant grinding area, output is not affected by roller wear.

Maintenance Tips for Raymond Mill Spider Frame

Inspect Lubrication: During routine maintenance, regularly check the lubrication condition and wear clearance of the central shaft sleeve to ensure flexible articulation without sticking.

Tightening During Shutdown: During shutdowns, calibrate the concentricity between the spider frame and the main shaft, and retighten all connecting bolts to the specified torque.

Regular Material Cleaning: Periodically remove accumulated material from the frame body and surrounding areas, and inspect for cracks or deformation in the structure.

Last Updated: 2026-04-09