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HGW20 Wide Flange Rail Carriage
HGW20 is the size designation for a wide flange carriage used on an HGR20 profile rail. The complete suffix must be supplied before production because HGW20 alone does not identify the carriage length or internal configuration.
Description
Product Details
The HGW20 body has side flanges that provide a broad connection area beneath a machine table. It belongs to the size-20 HG profile guide family and is intended for the corresponding HGR20 rail.
The basic marking does not describe every version. HGW20CC and HGW20HC are related configurations, but their body lengths and catalog data differ. The code on the removed block should therefore be recorded in full before a replacement is ordered.
A rail is not automatically supplied with the carriage. The requested combination must state the number of blocks and whether a new HGR20 rail is also required.
Product Description
Replacing only the block is practical when the original rail remains within usable condition. First inspect the raceway for dents, corrosion, scoring and concentrated wear. A new carriage cannot restore a rail that has already lost its working surface.
Do not pull the old or new block into open space during removal. Keep a transfer insert against the rail end and move the carriage directly onto it. This supports the internal rolling elements while the block is off the rail.
After replacement, check movement before reconnecting the ball screw, belt or motor. Uneven resistance may come from damaged rail sections, contamination, an unsuitable block specification or distortion caused by the mounting plate.
Lubrication should be restored through the provided connection before normal operation. The end wipers should contact the rail evenly and must not be folded inward during transfer.
Product Information
| Checkpoint | Required Information |
|---|---|
| Product Family | HGW |
| Nominal Size | 20 |
| Rail Reference | HGR20 |
| Body Form | Flanged carriage |
| Related Versions | HGW20CC and HGW20HC |
| Replacement Check | Full suffix and rail condition |
| Supply Choice | Block only or block with rail |
| Initial Service | Alignment check and lubrication |
FAQ
Can a new HGW20 block repair a worn HGR20 rail?
No. If the rail raceways are damaged or heavily worn, replacing the block alone will not correct the complete guideway.
What should be copied from the old carriage?
Record the entire engraved designation, including every letter or suffix after HGW20.
Why should a transfer insert be used?
It supports the internal rolling elements when the carriage is moved off the rail.
Should the drive remain connected during the first movement check?
No. Check the carriage manually first so that the drive cannot force it through a damaged or misaligned section.
Can replacement parts be selected from an existing assembly drawing?
We build to customer drawings under OEM/ODM, and accept orders as small as a single piece for standard sizes.
About Us
Lishui Guangyuan Industry & Trade Co Ltd supplies profile-rail blocks and matched guide assemblies for machine construction and maintenance. Replacement inquiries may be based on the complete carriage marking, rail identification and installed quantity.
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