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Rotary table, high precision
Type LTB

Product image Rotary table, high precision Type LTB

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Description

Franke rotary tables of type LTB are centerless, ready to install positioning units. The housing is made of light aluminium. Franke LTB are highly loadable and have an excellent angular accuracy and resolution. They can be used in a wide range of applications and are particularly suitable for movement and positioning tasks in the field of measuring, testing and orientation.

Properties - Evaluation

Accuracy
Speed
Ø-Range
Price

Technical data

Material

Housing: Aluminium ribbed
Ball race rings: hardened and tempered chrome-silicon steel
Rolling element: hardened rolling bearing steel
Worm wheel: Wear-resistant bronze alloy
Worm shaft: CK45N hardened and grinded

Operating temperature

-10 °C to +80 °C

Rotational speed

Max. 7 min-1

Mounting position

Any, preferably horizontal

Lubricant

With bearing grease via grease nipples

Options

Inductive proximity switch, flange/coupling to mount the motor, motorization

Technical advice


Data tables

Compare data and calculate load cases
Technical Drawing LTB
LTB Table part 1
Name Nominal Ø
mm
Dimensions
mm
A B Cg6 DH7 E FH7 G H K L M N
LTB-0125 125 100 - 70 70 100 150 165 75 - 10 4xM5
LTB-0175 175 126 - 102 70 102 178 - 82 - 12 6xM6
LTB-0265 265 200 150 - 105 150 230 250 90 4 16 6xM10
LTB-0400 400 340 300 200 190 270 380 400 100 4 16 6xM10
LTB Table part 2
Name Nominal Ø
mm
Load ratings
KN
Dimensions
mm
A C0 C O P Q R S T U1 U2 V1g6 V2g6 V3g6 V4g6 W
LTB-0125 125 2,0 4x7,0 5 34 5 112 60 67,5 67,5 6 22 6 22 135
LTB-0175 175 2,6 3x6,6 4 31 4 152 63 98,0 98,0 6 52 6 52 196
LTB-0265 265 4,2 4x10,0 - 43 5 171 81 95,0 98,0 8 38 6 38 193
LTB-0400 400 14,1 6x11,0 5 43 5 229 139 124,0 127,0 8 38 6 38 251
LTB Table part 3 MyFranke
Name Nominal Ø
mm
Tilting moments
Nm
Input speed
rpm
Reduction ratio Output speed
rpm
Weight
kg
CAD-Download
Calculate loads
A C0m N1 max i N2 max
LTB-0125 125 110 2500 360 7 3,0

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LTB-0175 175 140 2500 360 7 6,0
LTB-0265 265 310 2500 360 7 10,0
LTB-0400 400 1780 2500 360 7 27,0
Performance overviewLTB-0125LTB-0175LTB-0265LTB-0400
Reduction     360:1 360:1 360:1 360:1
Input torque M1max Nm 0,7 0,9 1,5 2,0
Output torque M2max Nm 70 75 160 290
Axial- / radial accuracy   µm 20 20 20 30
Positioning accuracy   sec 80 80 70 50
Repeatability   sec 16 14 10 8