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  • [D] Diameter (Shaft)(mm)
  • [L] Length (Shaft)(mm)
      [20-1200/1mm unidades]
    • Surface Treatment
    • ISO Tolerance
      • [F] Length (stud - offset - front side)(mm)
          [5-600/1mm unidades]
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        Linear shafts / groove on one side / h6, h7 / Cf53 / EN 1.1213

        Linear shafts / groove on one side / h6, h7 / Cf53 / EN 1.1213

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        Technical Drawing - Linear Shafts

         

        Key Groove on One End:Related Image

         

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

         

        Type[ M ]Material[ H ]Hardness[ S ]Surface Treatment
        D Tol. h6D Tol. h7
        SFAKEU
        -
        EN 1.1213
        Effective Hardened Depth of Induction Hardening >>P.112
        EN 1.1213 58HRC~
        -
        -
        PSFAKEUHard Chrome Plating
        Plating Hardness: HV750~ Plating Thickness: 5μ or More

         

        Further specifications can be found under the tab More Information.

         

        Composition of a Product Code - Linear Shafts

         

        Part Number-L-F
        SFAKEU16 -265-F25
             

         

        Alterations - Linear Shafts


        Key Groove on One End: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 1.1213 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+0.5
        12 - 13+0.5+0.7+0.7+0.5
        15 - 20+0.7
        25 - 30+0.8+1+1
        35 - 50-

        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

          

        Lista de números de pieza

        Número de artículos

        [D] Diameter (Shaft)

        (mm)

        [L] Length (Shaft)

        (mm)

        Surface Treatment

        ISO Tolerance

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

        (mm)

        Cantidad mínima de pedido
        6
        20 ~ 600
        Hard Chrome Plating
        h7
        5 ~ 300
        1 piezas
        8
        20 ~ 800
        Hard Chrome Plating
        h7
        5 ~ 400
        1 piezas
        10
        20 ~ 800
        Hard Chrome Plating
        h7
        5 ~ 400
        1 piezas
        12
        20 ~ 1000
        Hard Chrome Plating
        h7
        5 ~ 500
        1 piezas
        13
        25 ~ 1000
        Hard Chrome Plating
        h7
        5 ~ 500
        1 piezas
        15
        25 ~ 1000
        Hard Chrome Plating
        h7
        5 ~ 500
        1 piezas
        16
        30 ~ 1200
        Hard Chrome Plating
        h7
        5 ~ 600
        1 piezas
        20
        30 ~ 1200
        Hard Chrome Plating
        h7
        5 ~ 600
        1 piezas
        25
        35 ~ 1200
        Hard Chrome Plating
        h7
        5 ~ 600
        1 piezas
        30
        35 ~ 1200
        Hard Chrome Plating
        h7
        7 ~ 600
        1 piezas
        Precio unitario (IVA no incluidos)(precio unitario IVA incluidos)
        Fecha de envío estándar
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables
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        4 días laborables

        Información detallada

        Información básica

        Configurable in [Length] 20 - 1200 mm / [Diameter] 6 - 30 mm / [ISO-Tolerance] h6/h7. Available [Material] EN 1.1213.  [Hardening] Induction hardened and [Surface treatment] Hard Chrome Plating.



        MISUMI advantages are high configurability, low price, high quality. In addition, we offer a short delivery time, no minimum order quantity and high availability.

        Contorno y especificaciones

        Back to Linear Shaft Category

        Technical Drawing - Linear Shafts

         

        Key Groove on One End:Related Image

         

        Specification Tables - Linear Shafts

         

        Overview of the shaft designs as PDF

        D Tol.
        Dh6h7
        6 0
        -0.008
         0
        -0.012
        8 0
        -0.009
         0
        -0.015
        10
        12 0
        -0.011
         0
        -0.018
        13
        15
        16
        20 0
        -0.013
         0
        -0.021
        25
        30
        Part Number1mm IncrementWHC
        TypeDLF
        (D Tolerance h6)
        SFAKEU
        (D Tolerance h7)
        PSFAKEU
        620~6005≤F≤L/23.120.5 or Less
        820~800
        1020~8003
        1220~1000
        1325~1000
        1525~1000
        1630~1200
        2030~120041.0 or Less
        2535~12005
        3035~12007≤F≤L/25.16

         

        Alterations - Linear Shafts


        Key Groove on One End:Related Image

        You find further options in detail under Option Overview.