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Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling

SXEGL Intelligent Technology Co., Ltd.
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Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling

Brand Name : SXEGL

Model Number : BW

Certification : CE/FCC/EPA/ROSH/ISO

Place of Origin : China

MOQ : 1

Packaging Details : Carton

Delivery Time : Small orders usually takes 3-7 days,big order usually 20-35 days, depending on orders quantity and whether are standard size.

Payment Terms : Visa /Mastercard/PayPal/Apple Pay/Google Pay

Supply Ability : All products have passed CE certification and comply with EU RoHS environmental standards

Price : $1.9-$28.3

Name : Aluminum Alloy Coupling

Installation : Easy to install

Load Capacity : Can support heavy loads

Corrosion Resistance : Resistant to corrosion

Temperature Resistance : Can withstand high temperatures

Type : Flexible

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Lightweight Aluminum Alloy Flexible Beam Coupling Corrosion Resistant​

Company Introduction:SEXGL Coupling deliver unparalleled accuracy and durability in high-precision automation systems, trusted by global leaders like BYD (EV powertrain assembly) and BOE (LCD panel cutting robots) across North America, Europe, Southeast Asia, and South Korea.

1.Imported Raw Materials

2.70% Imported Equipment

3.Strict quality control and testing

4.Competitive pricing

5.Premium service

6.Experienced technical management team

Characteristics 

  1. Spiral/parallel beam design:

    Flexibility is provided by precision-machined spiral or parallel grooves to compensate for angular (±2°), radial (0.1-0.5mm), and axial (±0.1-0.3mm) deviations.

    Single-piece structure: no gap, zero backlash, ensuring high positioning accuracy (such as servo systems).

    Split design: some models support quick disassembly for easy maintenance.

  2. High torsional stiffness: Rigidity is better than elastic couplings (such as plum couplings), suitable for precision transmission.

    Damping characteristics: The inherent damping of aluminum alloy can absorb high-frequency vibrations and protect bearings and motors.

    Speed ​​range: Typically up to 10,000 RPM+ (depending on size and dynamic balancing level).

    Torque capacity:

    Small size (such as φ10mm): 5-10 Nm

    Large size (such as φ50mm): 100-200 Nm

  3. Temperature range: -40°C to +120°C (high temperatures require special heat treatment).

    Dust and oil proof: no moving parts, suitable for clean environments (e.g. food machinery).

Parameter Table

Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling

Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling

Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling

Type Aperture D L L1/L2 E F G M
(N.M)
d1 d2

Min

Max

Min

Max
  JT16 5    8  5  8  16  23  6.5  10  3  M3 0.7 
  JT16C 5    8  5  8  M2.5 1 
  JT20 5    10  5  10  20  26  7.5  11  3  M3 - 0.7 
  JT20C 5    10  5  10  - M2.5 1 
  JT25 6    12  6  12  25  31  8.5  14  4  M4 1.7 
  JT25C 6    12  6  12  M3 1.5 
  JT32 8    16  8  16  32  41  12  17  6  M4 - 1.7 
  JT32C 8    16  8  16  - M4 2.5 
  JT40 8    20  8  20  40  56  17  22  8.5  M5 4 
  JT40C 8    20  8  20  M5 4 
  JT50 12    25  12  25  50  71  21  29    10.5  M6 - 7 
  JT50C 12    25  12  25  - M6 8 
  JT63 14    35  14  35  63  90  26  38    13  M8 15 
  JT63C 14    35  14  35  M8 16 













Type
Rated torque
(N.m)

Max torque
(TK max)

Allowable
   speed
(min)

Torsional
stiffness
(N.m/rad)

Moment of
inertia
(kg.m2)

Axial
(mm)

lateral
  (mm)

Angular
(°)

Net
weight
(g)
JT16 0.5  1  24000  80  0.33  ±0.4   0.10  2  8.1 
JT16C 0.34  2  9.2 
JT20 1  2  20000  170  0.90  ±0.4   0.10  2  14 
JT20C 0.91  2  19 
JT25 2  4  15000  380  2.60  ±0.5   0.15  2  27 
JT25C 2.60  2  37 
JT32 4  8  12000  500  9.60  ±0.5   0.15  2  60 
JT32C 9.7  2  75 
JT40 8  16  9500  700  32  ±0.5   0.20  2  130 
JT40C 33  2  145 
JT50 16  32  7000  1800  100  ±0.5   0.20  2  260 
JT50C 100  2  300 
JT63 32  64  6000  3100  320  ±0.5   0.20  2  490 
JT63C 320  2  580 

Lightweight Aluminum Alloy Coupling Corrosion Resistant Flexible Beam Coupling



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