Disc Shrink
Disc Shrink (Z Series)
Product Identification:
Disc Shrink - Z Series | Keywords: Keyless Expansion, Precise Centering, Easy Installation
Core Value: Adopting a keyless expansion connection structure, the disc shrink realizes the interference fit between the expansion sleeve and the shaft and hub through bolt tightening. It has high centering accuracy and firm connection, installation and disassembly do not require heating, adapting to various transmission scenarios requiring precise positioning and firm connection.
Core Advantages:
The keyless connection design of the disc shrink does not require keyway processing on the shaft or hub, protecting the structural integrity of the shaft and hub and avoiding stress concentration.
After expansion, the centering accuracy is high (coaxiality ≤0.01mm), there is no transmission clearance, and precise torque transmission can be realized.
Installation and disassembly are simple, which can be completed by bolt tightening/loosening at room temperature, no heating, cooling or special tools are needed.
The expansion force is evenly distributed, the bearing torque is large, the impact resistance is strong, suitable for medium-heavy load transmission.
Material and Process:
The main body is 45# carbon steel or alloy steel, subjected to CNC precision machining + heat treatment strengthening process, the expansion surface is subjected to precision grinding, the surface is subjected to blackening or galvanizing rust prevention treatment, and the bolts are high-strength alloy steel (equipped with lock washers).
Application Scenarios:
Suitable for the connection and fixation of couplings, pulleys, sprockets, gears, timing pulleys and other components with shafts, covering general machinery, machine tool equipment, automated production lines, heavy machinery and other industries, especially suitable for scenarios requiring high centering accuracy and installation efficiency using disc shrinks.
Installation and Maintenance:
Sleeve the expansion sleeve between the shaft and the hub, and evenly tighten the circumferential bolts to realize expansion fixation; daily maintenance only needs regular inspection of bolt tightness, no additional lubrication or adjustment is required, with a long maintenance cycle.
Quality Assurance:
ISO9001 quality management system certification, 1-year warranty. It supports customization of expansion sleeve specifications according to shaft diameter and hub size, provides expansion force and torque bearing parameter tables, and regular models are available in stock.
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