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APPLICATION SOLUTION

CNC Machine Tool Rack & Pinion Drives

For CNC machine tools, a rack drive should be selected from the machine duty and installation interface. We focus the RFQ on positioning behavior, backlash, stiffness and repeatable installation rather than applying one catalogue assumption to every axis.

Cnc Machine ToolsDrawing ReviewCustom Rack Sets
CNC Machine Tool Rack & Pinion Drives

Where the rack drive fits

Typical uses include long X/Y-axis feeds, gantry mills and machining systems. The rack supplies the fixed linear tooth path while the driven pinion travels along it, or the arrangement can be reversed depending on the machine architecture.

The decisions that define this application

Motion duty

Specify speed, acceleration, duty cycle and direction changes for the CNC machine tools axis.

Moving load

Provide moving mass, feed force or torque at the drive where available.

Positioning need

State the required positioning, repeatability or drawing quality rather than a vague “high precision” request.

Installation

Show rack datum, section joints, mounting holes, pinion support and adjustment access.

Environment

Describe chips, dust, coolant, outdoor exposure, temperature or other contamination.

Service plan

Confirm lubrication method, inspection access and expected maintenance interval.

Product family starting point

Ground precision and helical rack options are common starting points, but the final choice depends on axis duty and the target tolerance.

The rack and mating pinion must still share the same pitch system, pressure angle and other tooth geometry. Final material, treatment, finish and quality are confirmed for the ordered drawing.

CNC machine tools rack and pinion application

Application RFQ table

仕様 プロジェクト/発注要件
Machine / axis CNC machine tools
Travel and rack length Confirm stroke, individual section length and number of sections.
ピッチシステム Module, DP or CP from design or existing component.
Pressure angle / helix Confirm from drawing; helix hand/angle where applicable.
Pinion Tooth count, bore/shaft/hub interface and gearbox arrangement.
Duty Moving mass, linear speed, acceleration, cycles and load/force.
Accuracy Drawing tolerance, positioning/repeatability target or required quality class.
Environment Contamination, lubrication, temperature and corrosion conditions.
Quantity Prototype and expected batch/program volume.

Alignment and joining

Multi-section racks on CNC machine tools equipment need a controlled mounting reference. The joint should not become an abrupt pitch error, and pinion engagement must remain consistent along the travel.

Rack section alignment and joining

What to inspect before drawing release

Tooth match

Rack and pinion geometry agree.

Datum plan

Mounting face and hole pattern are fully dimensioned.

Join plan

Segment ends and joining method are defined.

Drive load

The pinion/gearbox load path is understood.

Lubrication

Access and lubricant delivery are practical.

Inspection

Required dimensional and tooth checks are stated.

Commercial planning

Prototype and small-quantity projects can be discussed. For program work, include estimated annual demand or batch quantity so process and packaging can be planned appropriately.

最小注文数量製品の種類と注文総額に応じて柔軟に対応します。
サンプル新規のお客様は、部品と製造工程が適切であれば、1~5個の注文をすることができます。
混合注文Different sun gear or related planetary-component models can be combined when the total order value is around USD 1,500 or above.
小口注文1~2個からのご注文もご相談に応じますが、通常は単価が高くなります。
配達標準部品:10~25営業日。特注部品:20~45営業日。プロジェクト機器:45~120営業日。
取引条件EXW、FOB、CIF、DAPは一般的に対応可能です。FCA、CFR、CPT、CIP、DDPについては、個別にご相談ください。

よくある質問

Can an existing rack be replaced from measurements?

Measurements help, but a drawing or complete tooth data is strongly preferred. A worn rack can be a poor master for exact tooth geometry.

Can the matching pinion be included?

Yes. Quote the pinion together with the rack when you want one controlled tooth-system interface.

Do you recommend a quality class without duty data?

No. The target accuracy should be tied to the machine requirement and drawing, then confirmed for the ordered configuration.

見積依頼書

Send the CNC machine tools layout and rack/pinion drawing.

ラックの種類、ピッチシステム、圧力角、必要長さ、噛み合うピニオンのデータ、目標精度または許容誤差、動作条件、数量を明記してください。図面を作成することが、曖昧さを解消する最も迅速な方法です。

見積依頼書を送信する

最小注文数量製品の種類と注文総額に応じて柔軟に対応します。
サンプル新規のお客様は、部品と製造工程が適切であれば、1~5個の注文をすることができます。
混合注文Different sun gear or related planetary-component models can be combined when the total order value is around USD 1,500 or above.
小口注文1~2個からのご注文もご相談に応じますが、通常は単価が高くなります。
配達標準部品:10~25営業日。特注部品:20~45営業日。プロジェクト機器:45~120営業日。
取引条件EXW、FOB、CIF、DAPは一般的に対応可能です。FCA、CFR、CPT、CIP、DDPについては、個別にご相談ください。