High Precision Rack and Pinion
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High Precision Rack and Pinion

Main Features High Precision High Loading High Speed Low Noise Long Life-Time Quick Delivery APEX is the ONLY ONE manufacturer worldwide who produces rack strictly according to specifications regarding : Geometrical Tolerance of all Dimensions Defined Straightness, Parallelism and Perpendicularity Helical Angle and Pressure Angle with Tolerance Defined Surface Roughness of Teeth Defined Hardness and Thickness of the Hardened Layer on the Teeth. APEX is also the ONLY ONE of the world leading brands who designs and produces rack, pinion and gearbox by its own, and provides well coordinated...

Requirement of High-Precision Rack Page 3 Induction Hardening for Rack 13 Rack Quality and Application 15 Rack Order Code 16 Rack with Helical Teeth 17 Rack with Helical Teeth ( with Linear-Guide Interface, 90 Type ) 30 Rack with Helical Teeth ( with Linear-Guide Interface, 180 Type ) 31 APEX High Precision Pinion 32 APEX Pinion with Curvic Plate 33 Pinion Order Code 34 Pinion with Helical Teeth ( Curvic Plate / EN ISO 9409-1-A ) 35 Pinion with Helical Teeth ( Welded Plate / EN ISO 9409-1-A ) 40 Pinion with Helical Teeth ( Teeth Plate / EN ISO 9409-1-A ) 46 Pinion with Helical Teeth ( DIN...

^ Pitch = n x Module No. ^ Total Pitch Error Et is to be measured between the first and the last tooth of a rack.

Bad induction hardening and / or bad teeth grinding Qualified induction hardening and teeth grinding

APEX rack has been checked by Magnetic Crack Inspection Device!

Quality Cross-Section * Straightness is given either in a free situation (Free) or on a certified flat surface in a fixed mounted situation (Fixed). By the Free-case, the rack is lying on the certified surface with its teeth at the side. Surface Roughness

Tolerance of Rack Teeth APEX declares clearly all the tolerances of rack dimension and geometry, beginning from the design through out the manufacturing. Pressure Angle Deviation Height Deviation Angular Deviation Helical Angle Deviation H Length Deviation Angular Deviation Single Pitch Error Single Pitch Error Single Pitch Error Total Pitch Error Total Pitch Error Total Pitch The 1st Tooth Total Pitch Error Total Pitch

For helical and straight teeth, basing on the nominal length 1000 mm. Straightness is to measure on a certified flat surface in a fix mounted situation.

For helical and straight teeth, basing on the nominal length 1000 mm. Straightness is to measure on a certified flat surface in a fix mounted situation.

For helical and straight teeth, basing on the nominal length 2000 mm. Straightness is to measure on a certified flat surface in a fix mounted situation.

For helical and straight teeth, basing on the nominal length 2000 mm Straightness is to measure on a certified flat surface in a fix mounted situation.

Scanning Induction Hardening T ooth-by-Tooth Induction Hardening Carburized Induction Hardening Induction Hardening Carburized Induction Hardening Note : In the cross-section, the effective thickness can be guaranteed over 80% in the middle of the teeth width.

Material : Alloy Steel Heat-Treatment : Case Hardening Teeth : Ground

Rack Order Code 06 100 Coating 0 = None N = Nickel Plating P = Phosphate Film B = Blackening Screw Holes 112 = Standard 0 = Without Screw Holes S / X = Strong Material C = Carbon Steel M = Alloy Steel S = Stainless Steel Q = Q&T Alloy Steel Teeth Angle R = Right-Hand Helical 19 31’42” 12 = Straight Module-No. 1 ~ 12 The non-integer module no. will be given in alphabet. 2 A1 = For Linear-Guide Interface, 90 Type A2 = For Linear-Guide Interface, 180 Type

Quality 4 / Carbon Steel Tooth Thickness Tolerance : -13 ~ 0 |4m Right-Hand Helical Teeth Teeth Induction Hardened and Ground All Sides Ground (1) Teeth Pitch Pt = Module x n / cos (19 31’42” ) (2) fp —Single Pitch Error (3) Fp— Total Pitch Error * For all models APEX also provides Rack without screw-holes. By ordering please change the 2nd last order-code position from “1” to “0”. Please also refer to page 14.

Quality 5H / Alloy Steel Tooth Thickness Tolerance : -15 ~ 0 |Tm Right-Hand Helical Teeth Material Case-Hardened Teeth Ground and all Sides Ground (1) Teeth Pitch Pt = Module x n / cos (19 31’42” ) (2) fp —Single Pitch Error (3) Fp — Total Pitch Error * For all models APEX also provides Rack without screw-holes. By ordering please change the 2nd last order-code position from “1” to “0”. Please also refer to page 14. Especially for the application without back-support. With alignment / back-support

Quality 5 / Alloy Steel Tooth Thickness Tolerance : -15 ~ 0 |dm Right-Hand Helical Teeth Material Carburized, Induction Hardened Teeth Ground and all Sides Ground (1) Teeth Pitch Pt = Module x n / cos (19 3l’42” ) (2) fp —Single Pitch Error (3) Fp — Total Pitch Error For all models APEX also provides Rack without screw-holes. By ordering please change the 2nd last order-code position from “1” to “0”. Please also refer to page 14.

Quality 5 / Carbon Steel Tooth Thickness Tolerance : -15 ~ 0 |Tm Right-Hand Helical Teeth Teeth Induction Hardened and Ground All Sides Ground (1) Teeth Pitch Pt = Module x n / cos (19 31’42” ) (2) fp —Single Pitch Error (3) Fp — Total Pitch Error For all models APEX also provides Rack without screw-holes. By ordering please change the 2nd last order-code position from “1” to “0”. Please also refer to page 14.

Quality 5+ / Carbon Steel Tooth Thickness Tolerance : -15 ~ 0 |Tm Right-Hand Helical Teeth Teeth Induction Hardened and Ground All Sides Ground (1) Teeth Pitch Pt = Module x TC / cos (19 31’42” ) (2) fp —Single Pitch Error (3) Fp — Total Pitch Error

Quality 6 / Carbon Steel Tooth Thickness Tolerance : -22 ~ 0 |Am Right-Hand Helical Teeth Teeth Induction Hardened and Ground All Sides Ground (1) Teeth Pitch Pt = Module x n / cos (19 3l’42” ) (2) fp —Single Pitch Error (3) Fp — Total Pitch Error For all models APEX also provides Rack without screw-holes. By ordering please change the 2nd last order-code position from “1” to “0”. Please also refer to page 14.