L011394 Rotex Standard 38 Series

User Manual: L011394 - Rotex Standard 38 Series

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FEATURESDESCRIPTION
910 East Orangefair Ln. Anaheim, CA 92801 Tel. (714) 992-6990 Fax. (714) 992-0471 www.anaheimautomation.com
ROTEX® couplings are designed to transmit torque between drive and driven components
via curved jaw hubs and elastomeric elements commonly known as spiders. The combina-
tion between these components provides dampening and accommodation for misalign-
ments. This product is available in a variety of metals, elastomers and mounting congura-
tions to meet your specic needs.
Ordering Guideline: There are three individual part numbers you will need for a complete
coupler (i.e., 2 Hubs and 1 Spider). Please choose the hub sizes that match the criteria for
your application. In addition to the hubs, you will need to choose a spider, from the spider
section.
Customization options are available; allow Anaheim Automation to specify the coupling
designed for your application!
L011394
KTR ROTEX® 38 Series
KTR ROTEX® 38 Series
• High-Quality Spider Design
• Handles the Most Demanding Applications
• Max Torque of 10,753 in-lb.
• Allows for Different Bore Diameters
• No Backlash
• No Maintenance
• Requires Three Individual Part Numbers
• Easy Assembly
• Wide Variety of Sizes
DIMENSIONS
Item
Bore
Diameter
(in)
Keyway
(in)
Hub
Design
Outside
Diameter
DH, D, D1
(in)
Length
Thru Bore
“l1, l2”
(in)
Coupling
Length
“L”
(in)
Setscrew
Torque
(in-lb)
t
(in)
E
(in) G Material
KTR-BA020383071200 1/2 1/8 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071211 1/2 No Key 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071400 9/16 1/8 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020386071411 9/16 No Key 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071500 5/8 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071503 5/8 5/32 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071511 5/8 No Key 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071700 11/16 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071900 3/4 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071901 3/4 1/8 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383071911 3/4 No Key 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072000 13/16 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072200 7/8 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072202 7/8 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072211 7/8 No Key 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072300 5/16 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072500 1 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072502 1 3/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072600 1 1/16 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383072800 1 1/8 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073000 1 3/16 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073100 1 1/4 1/4 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073102 1 1/4 5/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073300 1 5/16 5/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073400 1 3/8 5/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073401 1 3/8 3/8 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073600 1 7/16 3/8 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383073802 1 1/2 5/16 1 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383173800 1 1/2 3/8 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383173900 1 9/16 3/8 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383174100 1 5/8 3/8 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383174200 1 11/16 3/8 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383174400 1 3/4 3/8 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383174402 1 3/4 7/16 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
KTR-BA020383174600 1 13/16 1/2 1a 3.15, 2.6, 3.07 1.77 4.49 89 0.59 0.94 M8 Cast Iron
Inch Bores
Item
Bore
Diameter
(mm)
Keyway
(mm)
Hub
Design
Outside
Diameter
DH, D, D1
(mm)
Length
Thru
Bore
“I1 I2”
(mm)
Coupling
Length
“L”
(mm)
Set-
screw
Torque
(Nm)
t
(mm)
E
(mm) G Material
KTR-BA020383001200 12 4 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383001400 14 5 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383001500 15 5 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383001600 16 5 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383001800 18 6 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383001900 19 6 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383002000 20 6 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383002200 22 6 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383002400 24 8 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383002500 25 8 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383002800 28 8 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383003000 30 8 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383003200 32 10 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383003500 35 10 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383003800 38 10 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383004000 40 12 1 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383104200 42 12 1a 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383104500 45 14 1a 80, 66, 78 45 114 10 15 24 M8 Cast Iron
KTR-BA020383104800 48 14 1a 80, 66, 78 45 114 10 15 24 M8 Cast Iron
SPECIFICATIONS
910 East Orangefair Ln. Anaheim, CA 92801 Tel. (714) 992-6990 Fax. (714) 992-0471 www.anaheimautomation.com
Metric Bores
Spiders
Item Color Material Type/
Hardness
Max
Speed
(rpm)
Rated
Torque
(in-lb)
Max Torque
(in-lb)
Temperature
Rating for
Continuous
Use
KTR-020381000045 Orange T-PUR 92 Shore-A 8300 1681.64 3360 -50ºC to +120ºC
KTR-020381000042 Purple T-PUR 98 Shore-A 8300 2876.49 5750 -50ºC to +120ºC
KTR-020381000020 Green T-PUR 64 Shore-D 8300 3584.55 7160 -50ºC to +120ºC
KTR-020381000088 White Polyamide - - 5000.67 10,002 -20ºC to +130ºC
KTR-020381000073 Grey Polyetherethertone - - 5000.67 10,002 Up to +180ºC
SPIDERS
910 East Orangefair Ln. Anaheim, CA 92801 Tel. (714) 992-6990 Fax. (714) 992-0471 www.anaheimautomation.com
Axial Misalignment ΔKa Parallel Misalignment ΔKr Angular Misalignment ΔKw
[degrees]
ROTEX® Size 14 19 24 28 38 42 48 55 65 75 90
Max. Axial Misalignment
ΔKa [in]
-0.02
+0.04
-0.02
+0.05
-0.02
+0.06
-0.03
+0.06
-0.03
+0.07
-0.04
+0.08
-0.04
+0.08
-0.04
+0.09
-0.04
+0.10
-0.06
+0.12
-0.06
+0.13
Max. Parallel Misalignment at
n=1,800 rpm ΔKr [in] 0.006 0.007 0.008 0.009 0.010 0.011 0.013 0.014 0.015 0.017 0.018
Max. Angular Misalignment at
n=1,800 rpm ΔKw [Degree] 1.1 1.0 0.8 0.9 0.9 1.0 1.1 1.1 1.1 1.1 1.2
ΔKw [in] 0.024 0.029 0.031 0.031 0.051 0.067 0.079 0.090 0.102 0.126 0.161
Lmax. = L + ΔKa ΔKw [in] = Lmax - Lmin
The above misalignment gures for ROTEX® couplings are standard values, taking into account the load of the coupling up to
the rated torque TKN and an operating speed n = 1,800 RPM along with an ambient temperature of +180ºC.
For other operating parameters, please ask for KTR-Norm 20240 on misalignments for ROTEX®. The maximum angular and
parallel misalignments must not be used concurrently. For example; 70% of the maximum parallel value allows 30% of the
maximum angular value. Also, care should be taken to accurately maintain the distance dimension “E”, allowing for axial
clearance of the coupling while in operation. In case of an axial thrust, the dimension “L” must be taken as a minimum
dimension in order to keep the spider free from pressure against the face. Detailed installation instructions are available at
www.ktr.com.
SHAFT MISALIGNMENT
Standard Hub Large Hub
Spider
HUB DIAGRAM

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