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Guide Bushings Series FDK/FDL

Führungsbuchsen der Baureihe FDK/FDL von Spieth eignen sich für die Spieleinstellung durch Anschlussteile für die Wellenpassung g5.
Führungsbuchsen der Baureihe FDK/FDL sind preiswert und einbaufertig.

Precise round guidance with adjustable play. Good value for money and ready-to-use. Sliding friction in combination with a minimal guiding tolerance is possible. Adjustable during assembly. Connecting parts are easy to produce. High attenuation. Simple and easy assembly and disassembly.

  • Examples

    Example 1: Round guide

    Due to the long guidance basis of the guide bushings on a welded machine column, particular attention must be paid to ensuring a precisely flush housing borehole.

    Example 2: Sleeve guide

    In a tailstock, minimal guide play can be achieved here during the installation process. Guide play readjustment is possible at any time. Grease lubrication with facility for occasional re-lubrication is sufficient here.

    Example 3: Column guide

    Guide play adjustment using threaded ring. A locating fit at the threaded ring ensures the necessary rectangular face contact at the guide bushing. The required feed path can be specified when the flange cover has not yet been tightened by turning the threaded ring. The guide bushing is then pre-stressed by tightening the screws at the flange cover.

    Example 4: Sleeve guidance and clamping

    In this example, the working sleeve of a machine tool is precisely guided by two FAK series guide bushings. In the stationary working position of the sleeve or column, clamping using the spring-hardened guide bushing guarantees absolute freedom from play as well as a high degree of radial rigidity in the guide system.

    Example 5: Safety clamping

    Safety requirements (power failures, oil pressure drop) or economic considerations (long clamping and short release times) often call for a mechanically acting clamp. In this case, the FAL series guide bushing is clamped using banks of cup springs (lower half of the picture) and hydraulically released (upper half of the picture).

    Example 6: Guide play compensation

    In the arrangement shown here, an independent guide play setting is possible for each guide bushing. This allows the ever-present minimal influence of the different actual guide bushing dimensions and housing boreholes to be compensated. Where expedient for certain requirements, differing degrees of guide play can be set at the two guide bushings.

  • Benefits

    Competitiveness through technological leadership – a strategy that calls for an economical increase in power density, efficiency and accuracy. Guide bushings create the foundation for this.

    • Low-cost, ready-to-mount guide and clamping bushing.
    • Existing mating play ensures simple mounting even with large dimensions.
    • Optimum guide play adjustment for any operating status.
    • Metallic support between clamped sleeve and housing affords high radial rigidity.
    • Provides typical high damping performance characteristics for slideways.
    • Precise central play restriction and clamping of the sleeve or column.
  • Function

    1. Functional Principle FDK/FDL, FSK/FSL

    The principle is illustrated in a simplified diagram with enlarged thread flank play.

    Connection with assembly play between the housing, guide bushing and centre sleeve.

    First phase of axial pre-stress: Mating play between housing and guide bushing eliminated, firm fit realized.

    After further axial pre-stressing, the guide play between the guide bushing and sleeve is optimally adjusted.

    2. Functional Principle FAK/FAL

    The principle is illustrated in a simplified diagram with enlarged thread flank play.

    Mounting situation: Connection with assembly play between the housing, guide bushing and centre sleeve.

    Guide play adjusted: The guide bushing fits firmly in the housing; guide play between guide bushing and sleeve is optimally adjusted.

    Sleeve clamped: Absolute freedom from play between the sleeve and housing due to tensioned guide bushing.

    Sleeve released for free movement: The guide bushing has released the sleeve with the previously set degree of guide play.

  • Transmittable Forces

    Series FAK/FAL only

    In conjunction with the lubrication, the plastic coating of the guide bushings ensures smoothrunning, low-wear guidance. However, the good sliding properties of the bushing have a detrimental effect on the transmittable forces. Therefore the table values "transmittable forces" should only be regarded as non-binding guideline values.

    F: Maximum permissible clamping force.

    C: Required functional installation space
    Spieth clamping sleeves must be clamped using the controlled application of force. The clamping force cannot be applied in relation to the clamping path. To prevent premature blocking, a "free" functional path "C" must be provided.

    M: Transmittable torque at Fa = 0.

    Fa: Transmittable axial force at M = 0.

    The Fa values are calculated according to

    M and Fa: If both torque and axial forces act on a guide bushing at the same time, check using the following formula whether the resulting torque Mr is transmittable:

    M and Fa: If both torque and axial forces act on a guide bushing at the same time, check using the following formula whether the resulting torque Mr is transmittable:

    If it is not possible to apply the clamping force F, the following formula is used for the approximate determination of the torque Mred which can be transmitted with the given clamping force Fgiv. (<F).

    To ascertain the necessary clamping force for a transmittable torque Mred < M, an approximation is possible using the following formula:

     

    M = Transmittable torque (catalogue value) [Nm]

    Me = Required torque [Nm]

    Mr = Resulting torque [Nm]

    Mred = Reduced transmittable torque [Nm]

    F = Max. perm. clamping force (catalogue value) [N]

    Fae = Required axial force [N]

    Freq. = Required clamping force [N]

    Fgiv. = Given clamping force (<F) [N]

    d1 = Shaft diameter [mm]

Order No.
clicca per richiesta
Name
CAD-Download
Diameter in mm Perm. radial stress(Guideline values)
d1 d2 K/L d3 l1 l2 l3 l4 d4 Fr
H61) h5 H7 max. N
K-13102001
FDK 20.37
20 37 30 3 2.5 15 15 16 6 1800
K-13202001
FDL 20.37
20 37 46 3 2.5 15 15 16 6 3600
K-13102501
FDK 25.42
25 42 30 3 2.5 15 15 16 6 2260
K-13202501
FDL 25.42
25 42 46 3 2.5 15 15 16 6 4500
K-13103001
FDK 30.47
30 47 30 3 2.5 15 15 16 6 2810
K-13203001
FDL 30.47
30 47 46 3 2.5 15 15 16 6 5720
K-13103501
FDK 35.55
35 55 42 4 3.5 21 20 22 10 5290
K-13203501
FDL 35.55
35 55 62 4 3.5 21 20 22 10 9070
K-13104001
FDK 40.62
40 62 42 4 3.5 21 20 22 10 6050
K-13204001
FDL 40.62
40 62 62 4 3.5 21 20 22 10 10370
K-13104501
FDK 45.68
45 68 42 4 3.5 21 20 22 10 6800
K-13204501
FDL 45.68
45 68 62 4 3.5 21 20 22 10 11660
K-13105001
FDK 50.72
50 72 42 4 3.5 21 20 22 10 7560
K-13205001
FDL 50.72
50 72 62 4 3.5 21 20 22 10 12960
K-13105501
FDK 55.80
55 80 42 4 3.5 21 21.5 25 12 8320
K-13205501
FDL 55.80
55 80 68 4 3.5 21 21.5 25 12 16630
K-13106001
FDK 60.85
60 85 42 4 3.5 21 21.5 25 12 9070
K-13206001
FDL 60.85
60 85 68 4 3.5 21 21.5 25 12 18140
K-13106501
FDK 65.90
65 90 42 4 3.5 21 21.5 25 12 9830
K-13206501
FDL 65.90
65 90 68 4 3.5 21 21.5 25 12 19660
K-13107001
FDK 70.100
70 100 48 4 3.5 24 24 30 14 12100
K-13207001
FDL 70.100
70 100 78 4 3.5 24 24 30 14 25200
K-13107501
FDK 75.105
75 105 48 4 3.5 24 24 30 14 12960
K-13207501
FDL 75.105
75 105 78 4 3.5 24 24 30 14 27000
K-13108001
FDK 80.110
80 110 48 4 3.5 24 24 30 14 13820
K-13208001
FDL 80.110
80 110 78 4 3.5 24 24 30 14 28800
K-13108501
FDK 85.120
85 120 60 5 4.5 30 28.5 35 16 20810
K-13208501
FDL 85.120
85 120 92 5 4.5 30 28.5 35 16 36110
K-13109001
FDK 90.125
90 125 60 5 4.5 30 28.5 35 16 22030
K-13209001
FDL 90.125
90 125 92 5 4.5 30 28.5 35 16 38230
K-13109501
FDK 95.130
95 130 60 5 4.5 30 28.5 35 16 23260
K-13209501
FDL 95.130
95 130 92 5 4.5 30 28.5 35 16 40360
K-13110001
FDK 100.140
100 140 66 5 5.5 33 31.5 39 16 25920
K-13210001
FDL 100.140
100 140 102 5 5.5 33 31.5 39 16 47520
K-13111001
FDK 110.150
110 150 66 5 5.5 33 31.5 39 16 28510
K-13211001
FDL 110.150
110 150 102 5 5.5 33 31.5 39 16 52270
K-13112001
FDK 120.165
120 165 72 6 6 36 36 42 16 34560
K-13212001
FDL 120.165
120 165 114 6 6 36 36 42 16 58750
K-13113001
FDK 130.180
130 180 78 6 6 39 39 46 16 41180
K-13213001
FDL 130.180
130 180 124 6 6 39 39 46 16 71140
K-13114001
FDK 140.190
140 190 78 6 6 39 39 46 16 44350
K-13214001
FDL 140.190
140 190 124 6 6 39 39 46 16 80640
K-13115001
FDK 150.200
150 200 78 6 6 39 39 46 16 47520
K-13215001
FDL 150.200
150 200 124 6 6 39 39 46 16 86400

No product found or do you have a special application? We would also be happy to advise you on specialized solutions, which we can custom produce to meet your needs as your development partner. Simply get in contact with us - we’re looking forward to hearing about your project.

All information is supplied without liability and subject to technical changes. Please observe the operating instructions.

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