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Topball&Slide shaft products
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Catalog excerpts

Topball&Slide shaft products - 1

Winning Solutions For Precise Movement

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Topball&Slide shaft products - 2

TOPBALL Slide Bush Products Introduction and Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4, 5 Rated Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6, 7 Basic Load Ratings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Shaft and Housing Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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Topball&Slide shaft products - 3

Slide Shaft Products Features and Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Shaft Deflection Angle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 . Standard Material and Stainless Steel Shafts . . . . . . . . . . 18 Shaft Support Products WH-A Type End Shaft Support. . . . . . . . . . ....

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Topball&Slide shaft products - 4

Setting The Standard For Precise Alignment • Self-aligns to speed manufacturing and assembly. • 3X The Load Capacity* • 27X The Travel Life* • Floating load plate adjusts clearance. • Each load plate is precision-ground and checked for consistency - unlike competitions’ stamped plates. • Load plate ends are thinner making center a fulcrum for self-alignment. • Floating wiper seal allows unrestricted self-alignment. • Light weight components for energy reduction. * When compared with conventional bushings. • Greater ball contact in ground circular arch triples load capacity. • Unibody...

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Topball&Slide shaft products - 5

Products TOPBALL® Types Fig. 1 Illustrating circular arch design and ground surface raceway Circular arch design TW: Clearance Adjustable Standard Floating load plate design is self aligning. It has a light weight outer ring and retainer for low noise operation. TW-OP: Clearance Adjustable Open One ball circuit is removed from the outer cylinder enabling it to be used with bottom supported shaft to eliminate shaft deflection. Ground surface raceway Anti-Corrosive Type A special TOPBALL is also available for corrosive applications. Contact your nearest distributor for application...

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Topball&Slide shaft products - 6

The life of a slide bush can be easily calculated with the load rating of the bush, shaft hardness and applicable load. However, in many cases, slide bushing failure may be caused by improper design of bush peripherals, including the shaft and housing, inappropriate mounting or improper operation. Serious consideration of these peripheral factors, in addition to load rating, are highly recommended when designing a slide bush application. Basic Dynamic Load Rating and Life Expectancy L The basic dynamic load rating is Lh = 2 which· allows a rating life · Ls N1· 60 the load of 2-million...

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Topball&Slide shaft products - 7

Produc t s Load Coefficient (fw) When calculating the bush load, it is necessary to accurately obtain weight, inertial force based on speed, moment load and each transition as time passes. However, it is difficult to calculate those values accurately because reciprocating motion involves the repetition of starts and stops as well as vibration and impact. A more practical approach is to obtain the load coefficient by taking the actual operating conditions into account. Operation at low speed (600 in./min. or less) without impulsive shock from outside Operation at intermediate speed (2400...

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Topball&Slide shaft products - 8

Basic Static Load Rating If a slide bush is loaded when it is in a stationary condition or working at low speed, a permanent elastic deformation is formed on the rolling element. The deformation prevents smooth movement of the bushing. To eliminate this possibility, the basic static load rating must not be exceeded. Relation Between Ball Circuits and Load Rating The load rating of a slide bush varies according to the loaded position on the circumference. The value in the dimensional table indicates the lowest load rating with the load placed on top of one ball circuit. If the slide bush is...

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Topball&Slide shaft products - 9

Produc t s Shaft and Housing To optimize NB TOPBALL performance, high precision shafts and housings are required. 1. Shaft: Dimensional tolerance, surface finish and hardness greatly affect the traveling performance of the TOPBALL. The shaft must be manufactured to the following tolerances. A. A surface finish of 16 micro-inch rms or less. B. Hardness of HRC 60 to 64. Hardness less than HRC 60 decreases the life considerably and reduces the permissible load. Hardness over HRC 64 accelerates steel ball wear. C. Case-hardened depth should be a minimum of .04 inches. D. The correct tolerance...

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Topball&Slide shaft products - 10

TOPBALL Dimensions and Load Ratings TOPBALL® Standard Type TW Type Fig. 7 Standard Type TOPBALL Slide Bush STANDARD TYPE DIMENSIONS AND LOAD RATINGS NOM. P/N SHAFT STANDARD & DIA. W/SEALS (inch) 3/16 TW 3 WORKING DIAMETER (1) TOL dr (inch) (inch) (1) Based on nominal housing bore. (2) See Table 2 for maximum load rating. (3) See Table 3 for recommended tolerances. RETAINING RINGS WIDTH DISTANCE B TOL W (inch) (inch) (inch) LOAD RATINGS (2) BALL NO. DIA. OF (inch) ROWS 0.04724 4 (1.2mm)

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Topball&Slide shaft products - 11

Produc t s Dimensions and Load Ratings TOPBALL® Open Type TW Open Type OPEN TYPE DIMENSIONS AND LOAD RATINGS WORKING DIAMETER (1) TOL dr (inch) (inch) SLOT WIDTH h (inch) DISTANCE TOL B (inch) (inch) RETAINING RINGS RETENTION HOLE DEPTH DIA. LOC. J F G (inch) (inch) (inch) Thru hole TW 32-OP 2 1.000 0.265 TW 32 UU-OP (1) Based on nominal housing bore. (2) See Table 2 for maximum load rating. (3) See Table 3 for recommended tolerances. Thru hole

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Topball&Slide shaft products - 12

Slide Unit Introduction/Design Features NB TOPBALL Slide Units include a clear anodized corrosion resistant aluminum block and either one or two TOPBALL self-aligning slide bushings. Closed and adjustable clearance styles incorporate machined snap ring grooves in combination with standard retaining rings for slide bush retention. The open style incorporates bottom plates and mounting screws to retain bushing in proper position. All styles are provided with standard machined reference edges for proper alignment and installation. HOUSING TYPE • Conventional Type • Self-Aligning Capability •...

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All NB Europe catalogs and technical brochures

  1. FIT SERIES

    2 Pages

  2. LINEAR SYSTEM

    21 Pages

  3. SLIDE GUIDE

    4 Pages

  4. SLIDE SCREW

    4 Pages

  5. ACTUATOR

    39 Pages

  6. SLIDE WAY

    33 Pages

  7. SHAFT

    15 Pages

  8. STROKE BUSH

    15 Pages

  9. TOPBALL

    11 Pages

  10. SLIDE BUSH

    70 Pages

  11. BALL SPLINE

    22 Pages

  12. SLIDE GUIDE

    40 Pages

  13. General catalog

    289 Pages

  14. Shaft Leaf

    9 Pages

Archived catalogs