OND has organized its online linear motion content around the practical requirements faced by machine builders. The updated solution section covers linear guide rails, bearing blocks, ball screws and related custom machining requirements.

Linear Guides for Stable Guided Motion

Linear guide systems support and guide moving assemblies while controlling motion along a defined axis. Product selection depends on load direction, moment load, mounting arrangement, rail spacing, preload, accuracy and environmental protection.

A rail and block should be treated as part of the machine structure rather than as an isolated component. Base flatness, mounting shoulder accuracy, bolt tightening sequence and lubrication can all affect service life and motion quality.

Ball Screws for Efficient Motion Conversion

Ball screws convert rotary input into linear movement with high mechanical efficiency. Selection normally considers axial load, speed, critical speed, buckling, required lead, travel, support arrangement and accuracy.

The end machining and support units must match the machine design. Customers should provide a drawing or clear end-detail dimensions when a ball screw requires custom shaft-end machining.

Combining Guides and Ball Screws

A ball screw should transmit axial force but should not be expected to guide the table by itself. Linear guides or another suitable guiding system are normally required to control lateral loads and moments.

The alignment between the ball screw axis and the guide system is important. Misalignment can increase friction, heat, noise and premature wear.

Information Needed for Review

Useful inquiry information includes moving mass, external force, speed, acceleration, travel, duty cycle, mounting orientation, desired accuracy, environmental conditions and available installation dimensions.

Existing model numbers can be used for replacement inquiries, but customers should confirm whether the replacement must be fully interchangeable or whether modifications are acceptable.

Supporting Standard and Custom Requirements

OND supplies standard linear motion components and can review drawing-based requirements involving rail length, hole patterns, ball screw length, end machining and associated custom parts.

Rail and Block Interchangeability

Linear guide products with similar nominal sizes are not always interchangeable. Block height, rail width, mounting-hole pitch, seal arrangement, preload and accuracy can differ between series. A replacement inquiry should therefore include the full model number and, where possible, a drawing of the installed dimensions.

Customers should also confirm whether they require one block, one rail, a complete axis set or a matched set. Mixing components from different series or accuracy classes may affect fit and running performance.

Protecting Linear Motion Components

Machine builders should plan covers, lubrication access and drainage at the design stage. Chips, abrasive dust and coolant can shorten the life of both linear guides and ball screws. Protection is particularly important on woodworking, metal-cutting and outdoor equipment.

Regular inspection of seals, wipers, lubrication lines and support bearings can prevent small problems from becoming expensive axis failures.

Information Customers Can Prepare

Customers preparing a linear motion inquiry should list the rail and block model or required size, number of blocks, rail length, load, moment, speed, preload, accuracy and environmental protection. Ball screw inquiries should include diameter, lead, total length, travel, nut type and end-machining details.

Providing the axis layout helps identify whether the support arrangement, guide spacing and ball screw position are consistent with the required performance.