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Criterii de filtrare
  • [D] Diameter (Shaft)(mm)
  • [L] Length (Shaft)(mm)
      [25-1495/1mm unități]
    • Material
      • Unalloyed Steel
      • Stainless Steel (austenitic)
    • Heat Treatment
    • Surface Treatment
    • ISO Tolerance
    • [MMC] Size (fine thread)(mm)
    • [MMS] Size (fine thread)(mm)
    • [F] Length (stud - offset - front side)(mm)
        [5-90/1mm unități]
      • [M] Size (thread - depth 2xM)(mm)
      • CAD
      • Est. zile de expediere
        • Toate
        • În 4 zile lucrătoare
        • În 6 zile lucrătoare
        • În 7 zile lucrătoare

      Linear shafts / stepped on one side / external thread / undercut

      Cod piesă:

      S-au găsit. 74 candidați nedefiniți.
      Cantitate:

      Desen de ansamblu și tabel de specificații

      Back to Linear Shaft Category

      Technical Drawing - Linear Shafts

       

      One End Threaded with Undercut:Related Image

       

      Basic Properties (e.g. material, hardness, coating, tolerance) - Linear Shafts

       

      TypeMaterialHardnessSurface Treatment
      D Tol. g6D Tol. h5D Tol. f8
      SAFNSFNU-EN 1.3505 Equiv.Effective Hardened Depth of Induction Hardening >>P.112
      EN 1.3505 Equiv. 58HRC~
      EN 1.4037 Equiv. 56HRC~
      -
      SSAFNSSFNU-EN 1.4037 Equiv.
      PSAFNPSFNU-EN 1.3505 Equiv.Hard Chrome Plating
      Plating Hardness: HV750 ~
      Plating Thickness: 5µ or More
      PSSAFNPSSFNU-EN 1.4037 Equiv.
      RSAFN--EN 1.3505 Equiv.LTBC Plating
      --PSAGNEN 1.1191 Equiv.-Hard Chrome Plating
      Plating Hardness: HV750 ~
      Plating Thickness: 10µ or More
      --PSSAGNEN 1.4301 Equiv.

       

      D Tol.
      Dg6h5f8
      8-0.005
      -0.014
      0
      -0.006
      -0.013
      -0.035
      10
      12-0.006
      -0.017
      0
      -0.008
      -0.016
      -0.043
      13
      15
      16
      18
      20-0.007
      -0.020
      0
      -0.009
      -0.020
      -0.053
      25
      30
      35-0.009
      -0.025
      0
      -0.011
      -0.025
      -0.064
      40
      50
       

      Further specifications can be found under the tab More Information.

       

      Composition of a Product Code - Linear Shafts

       

      Part Number-L-F-M
      SAFN13-200-F20-M10
      SFNU13-800-F23-M10

       

      Alterations - Linear Shafts


      One End Threaded with Undercut:Related Image

      You find further options in detail under Option Overview.

       

      Lista codurilor de piese

      Număr de articole
      Cod piesă

      Basic Shape

      [D] Diameter (Shaft)

      (mm)

      [L] Length (Shaft)

      (mm)

      Material

      Heat Treatment

      Surface Treatment

      ISO Tolerance

      Hardness

      [MMC] Size (fine thread)

      (mm)

      [MMS] Size (fine thread)

      (mm)

      [F] Length (stud - offset - front side)

      (mm)

      [M] Size (thread - depth 2xM)

      (mm)

      RoHS?Cantitate minimă per comandă
      Solid, One End Stepped
      8
      25 ~ 795
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 18
      6
      10
      1 bucăți
      Solid, One End Stepped
      8
      25 ~ 795
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6
      -
      5 ~ 18
      -
      10
      1 bucăți
      Solid, One End Stepped
      10
      25 ~ 795
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 24
      6 ~ 8
      10
      1 bucăți
      Solid, One End Stepped
      10
      25 ~ 795
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 8
      -
      5 ~ 24
      -
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 30
      6 ~ 10
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 10
      -
      5 ~ 30
      -
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10
      5 ~ 30
      -
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 10
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 12
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 12
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 12
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 12
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 48
      6 ~ 16
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 15
      -
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 14
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 48
      6 ~ 16
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 17
      -
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 18
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      25
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 72
      8 ~ 24
      10
      1 bucăți
      Solid, One End Stepped
      25
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      8 ~ 20
      -
      5 ~ 72
      -
      10
      1 bucăți
      Solid, One End Stepped
      25
      25 ~ 1195
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 18
      5 ~ 72
      -
      10
      1 bucăți
      Solid, One End Stepped
      30
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 72
      8 ~ 24
      10
      1 bucăți
      Solid, One End Stepped
      30
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      8 ~ 25
      -
      5 ~ 72
      -
      10
      1 bucăți
      Solid, One End Stepped
      30
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 18
      5 ~ 72
      -
      10
      1 bucăți
      Solid, One End Stepped
      35
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 90
      10 ~ 30
      10
      1 bucăți
      Solid, One End Stepped
      35
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      10 ~ 30
      -
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      35
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 18
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      40
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 90
      12 ~ 30
      10
      1 bucăți
      Solid, One End Stepped
      40
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      12 ~ 30
      -
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      40
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      12 ~ 18
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      50
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 90
      16 ~ 30
      10
      1 bucăți
      Solid, One End Stepped
      50
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      15 ~ 30
      -
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      50
      25 ~ 1495
      [Unalloyed Steel] EN 1.1191 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      14 ~ 18
      5 ~ 90
      -
      10
      1 bucăți
      Solid, One End Stepped
      8
      25 ~ 795
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 18
      6
      10
      1 bucăți
      Solid, One End Stepped
      8
      25 ~ 795
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6
      -
      5 ~ 18
      -
      10
      1 bucăți
      Solid, One End Stepped
      10
      25 ~ 795
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 24
      6 ~ 8
      10
      1 bucăți
      Solid, One End Stepped
      10
      25 ~ 795
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 8
      -
      5 ~ 24
      -
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 30
      6 ~ 10
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 10
      -
      5 ~ 30
      -
      10
      1 bucăți
      Solid, One End Stepped
      12
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10
      5 ~ 30
      -
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 10
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      13
      25 ~ 995
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 12
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      15
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 12
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 36
      6 ~ 12
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 12
      -
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      16
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 12
      5 ~ 36
      -
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 48
      6 ~ 16
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 15
      -
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      18
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 14
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 48
      6 ~ 16
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      6 ~ 17
      -
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      20
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      10 ~ 18
      5 ~ 48
      -
      10
      1 bucăți
      Solid, One End Stepped
      25
      25 ~ 1195
      [Stainless Steel (austenitic)] EN 1.4301 Equiv.
      No Treatment
      Hard Chrome Plating
      f8
      No Induction Hardening
      -
      -
      5 ~ 72
      8 ~ 24
      10
      1 bucăți
      Preț unitar (fără TVA)(preț unitar cu TVA incluse)
      Dată de expediere standard
      -
      ( - )
      6 zile lucrătoare
      -
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      6 zile lucrătoare
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      6 zile lucrătoare
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      6 zile lucrătoare
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      6 zile lucrătoare
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      6 zile lucrătoare
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      Informații detaliate

      Informații de bază

      Atenție

      • SAFN has been localized according to European needs and requirements. Please have a look on the EU version SAFNEU. SAFNEU is available in EN 1.1213 (Cf53) and h6 / h7.

      Desen de ansamblu și specificații

      Back to Linear Shaft Category

      Technical Drawing - Linear Shafts

       

      One End Threaded with Undercut:Related Image

       

      Specification Tables - Linear Shafts

       

      Overview of the shaft designs as PDF

       

      Part Number1mm IncrementSelection(Y)Max.C
      TypeDLFM (Coarse)
      (D Tolerance g6)
      SAFN
      SSAFN
      PSAFN
      PSSAFN
      (D Tolerance h5)
      SFNU
      SSFNU
      PSFNU
      PSSFNU
      825~795









      5≤F≤Mx3










      F-(g)≥Pitchx3
      6        8000.5 or Less
      1025~79568       800
      1225~9956810     1000
      1325~995681012    1000
      1525~995681012    1000
      1625~1195681012    1200
      1825~119568101216   1200
      RSAFN (D≤30,L≤500)

      (D Tol. f8)
      PSAGN
      PSSAGN
      2025~119568101216   12001.0 or Less
      2525~1195 81012162024 1200
      3025~1495 81012162024 1500
      3525~1495  1012162024301500
      4025~1495   12162024301500
      5025~1495    162024301500
       
      Coarse Thread Undercut Dimension
      MPitchMC(g)
      61.04.42
      81.256.03
      101.57.7
      121.759.44
      162.013.0
      202.516.45
      243.019.6
      303.525.0

       

      Alterations - Linear Shafts


      One End Threaded with Undercut:Related Image

      You find further options in detail under Option Overview.

      Surface Limits / Hardness - Linear Shafts

       

      Limits of hardness and hardening depth

      The linear shafts are processed after the base material has undergone inductive hardening. Therefore, the processed surfaces may result in a deviating hardness.
      In the following example, you can view the affected areas of the linear shaft, which may be affected after processing by e.g. threads, level surfaces, key surfaces and transverse bores.

       

      Limitation of linear shaft induction hardening

       

      Cause for deviating hardness

      The raw material of the linear shaft is treated via thermal induction before grinding. Thus, a configured linear shaft can be custom-made not only cost-effectively, but also with short delivery times. The linear shaft is hardened at the boundary layer (boundary layer hardening) of the liner shaft. The depth of the hardened boundary layer depends on the material used and the diameter of the linear shaft. The following table shows the hardening depth of linear shafts.
      Coatings and plating are applied to the raw material after hardening and grinding. For more information, see Coatings of the Linear Shaft.

       

      Boundary layer hardening of a linear shaft

      Figure of boundary layer hardening: hardened boundary layer in light gray

       

      Effective hardening depth of linear shafts

      Outside diameter (D)Effective hardening depth
      EN 1.1191 equiv.EN 1.3505 equiv.EN 1.4125 equiv.EN 1.4301 equiv.
      3-+0.5+0.5Without induction hardening
      4-
      5-
      6 - 10+0.3
      12 - 13+0.5+0.7+0.5
      15 - 20+0.7
      25 - 50+0.8+1

      Overview of the effective hardening depth as PDF

       

      Coatings of the linear shaft

      The surface coating is applied to the raw material before machining the linear shaft. Thanks to their coating, the usable surface or work surface of the linear shaft is not only protected against corrosion but also against wear.
      Machined positions of the linear shafts, such as plane surfaces or threads, may be uncoated, as they are added afterwards. This can lead to the machined surfaces being corroded in a linear shaft made of steel. If the linear shaft is used in a corrosive environment, it is recommended to use a stainless steel linear shaft.
      The following figure shows the areas of the linear shaft that are coated (crosshatched). 

       

      Surface coating after processing the linear shaft

      Figure: Coating of linear shafts

       

      You can find further information on surface treatment and hardness in this PDF .

       

      General Information - Linear Shafts

       

      Linear Shaft Selection Details

      - Material: steel, stainless steel

      - Coating/plating: uncoated, hard chrome plated, LTBC coated, chemically nickel-plated

      - Heat treatment: untreated, inductively hardened

      - ISO tolerances: h5, k5, g6, h6, h7, f8

      - Precision classes: perpendicularity 0.03, concentricity (with thread and increments) Ø0.02, perpendicularity 0.20, concentricity (thread and stepper) Ø0.10

      - Linearity/roundness: depends on diameter, here for the PDF

       

       

      Description / basics of the linear shaft

      Linear shafts are steel shafts that perform guiding tasks in combination with linear bearings, such as plain bearing bushings or linear ball bushings. Linear shaft holding functions can be adopted from shaft holders or linear ball bearing adapters. Most linear shafts are heat-treated (induction hardened) solid shafts. A special design of linear shafts is the hollow shaft, which is also called tubular shaft. Inductively hardened linear shafts have a high surface hardness and a tough core. The achievable surface hardness is approx. 55-58 HRC (see information on hardening depth). Linear shafts made of stainless steels can generally not be hardened. Therefore, these steel shafts should be chrome plated to protect them from wear.

       

      Materials

      Linear shafts are mainly hardened steel shafts. In addition to the selected heat treatment, the steel used in particular imparts its properties to the linear shaft, although it is a hollow shaft or a solid shaft. Therefore, special aspects such as hardness, corrosion and wear must be considered when selecting the shaft steel.

       

      Coatings

      To protect linear shafts from corrosion, the surface can be chemically nickel-plated. As an alternative to chemical nickel-plating, steel shafts can also be coated with LTBC. The LTBC coating is an anti-corrosive surface coating and it is a low-reflection coating, made of a 5 μm thick film of fluoropolymer, which in essence is a black film. In addition, the LTBC coating is resistant to bursting pressure by extreme or repeated bending. LTBC-coated linear shafts are thus particularly suitable for locations where corrosion or light reflections are undesirable. Linear shafts that require particularly high surface hardness and wear resistance can be hard chrome plated.

       

      Function

      The form and function of linear shafts differ from linear guiderails. Linear guiderails are square rails that work in combination with carriers (rotary elements, carriages) according to the rolling or sliding principle. Linear shafts on the other hand are precision-ground round steel shafts that take on a linear guide function in conjunction with linear ball bushings or plain bearing bushings (maintenance-free bushings).

       

      Areas of Application

      Linear shafts are intended for axial motion. Whether horizontal or vertical linear motion, all linear motions can be implemented with linear shafts. Common applications are stroke mechanisms and other applications with high demands on smoothness, precision and service life. Linear shafts can therefore be used in almost all industries of plant construction and mechanical engineering. Linear shafts are often found in 3D printers, metering equipment, measuring devices, positioning devices, alignment devices, bending devices and sorting equipment.

       

      Instructions for Use / Installation  - Linear Shafts

       

      For product selection, please observe the linear shaft tolerances (e.g. h5, k5, g6, h6, h7, f8) in conjunction with the diameter tolerance of the plain bearing bushing (sliding bearing) after pressing in or the running circle diameter of the linear ball bearing (ball bushing).

       

      Diameter change of linear ball bushings after pressing  Inner diameter of linear ball bushings or ball bushings

       

      Shaft Fasteners

       

      Application Example of a Linear Shaft - Linear Shafts with Linear Ball Bushings - Linear Shafts with Shaft Holder
      Application Example of a Linear Shaft Application Example - Linear Shaft with Linear Ball Bearings - Linear Ball Bearings with an Adjusting Ring
      Application Example of a Linear Shaft - Linear Shaft with Shaft Holder
      Application Example of a Linear Shaft - Linear Shaft with Circlip Groove - Linear Shaft with Circlip
      Application Example of a Linear Shaft - Linear Shaft with Holding Washer
      Application Example of a Linear Shaft - Linear Thread - Outer Threaded Linear Shaft - Linear Threaded with inner and outer threads
      Application Example of a Linear Shaft - Cross Bore Linear Shaft - Inner Thread Linear Shaft
      Application Example of a Linear Shaft - Cross Bore Linear Shaft - Outer Thread Linear Shaft

         

      Supplementary Article

       

      Shaft holder

      Product range of shaft holders

       

      Adjusting rings/clamping rings

      Product range of adjusting rings - product range of clamping rings

       

      Linear ball bearing

      Product range of linear ball bearings - product range of ball sleeves - linear ball bearing with housing

       

      Plain bearing bushings

      Product range of sliding bearing bushings - plain bearing with housing

       

      Ball guides

      Ball guide product range

       

      Industrial Applications

       

      3D printer industry
      3D printer industry
      Automotive industry
      Automotive industry
      Pharmaceutical industry
      Pharmaceutical industry
      Packaging industry
      Packaging industry