GR75 Spider Coupling | Rotex Jaw Coupling Supplier | Spider Coupling Kota Kinabalu | Spider Coupling Sandakan | Spider Coupling Tawau: 马来西亚的首选 Rugaval Rubber Sdn Bhd

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RUBASIA RUBBERTECH INDUSTRIES

Spider Rubber Coupling Rotex Rubber Coupling

Models: GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR75

+P The Best Rubber Coupling Supplier in Malaysia

+P The Largest Rubber Coupling Manufacturer Malaysia

+P The Highest Quality Rubber Coupling

+P Market Leader of Industrial Rubber

+P The Biggest Rubber Coupling Range

+P The Widest Range of Industrial Rubber Coupling Supplier

1. Comprehensive SEO Overview – Borneo (Sabah, Sarawak, Brunei)

RUBASIA RUBBERTECH INDUSTRIES delivers premium-grade Spider Rubber Coupling / Rotex Jaw Couplingthroughout every industrial zone in Sabah, Sarawak, and Brunei, covering every city, town, village, and industrial hub to ensure maximum Google SEO coverage and strong local search ranking.

1.1 Sabah Full Coverage (Big & Small Towns for SEO)

West Coast Division: Kota Kinabalu, Penampang, Putatan, Papar, Tuaran, Tamparuli, Kiulu, Kota Belud, Kota Marudu, Kudat, Pitas.
Interior Division: Keningau, Tambunan, Tenom, Nabawan, Sook.
Sandakan Division: Sandakan, Beluran, Telupid, Kinabatangan, Tongod.
Tawau Division: Tawau, Lahad Datu, Semporna, Kunak.
Beaufort Division: Beaufort, Sipitang, Kuala Penyu, Membakut, Bongawan.

1.2 Sarawak Full Coverage (Big & Small Towns for SEO)

Kuching District: Kuching, Petra Jaya, Pending, Bau, Lundu, Sematan, Serian, Tebedu, Asajaya, Kota Samarahan.
Samarahan & Sri Aman Division: Sri Aman, Lubok Antu, Engkilili, Simunjan, Lingga.
Betong Division: Betong, Saratok, Debak, Pusa, Kabong, Roban.
Sibu & Mukah Division: Sibu, Mukah, Dalat, Daro, Kanowit, Song, Selangau, Tatau.
Bintulu Division: Bintulu, Tatau, Sebauh.
Miri Division: Miri, Marudi, Beluru, Long Lama, Bekenu, Batu Niah.
Kapit Division: Kapit, Belaga, Punan Bah.
Limbang Division: Limbang, Lawas.

1.3 Brunei Full Coverage (Big & Small Towns)

Bandar Seri Begawan, Gadong, Kiulap, Jerudong, Muara, Tutong, Seria, Lumut, Kuala Belait, Bangar, Sukang, Labi, Temburong.

2. Ultra-Detailed Product Description – Spider / Rotex Rubber Coupling

RUBASIA RUBBERTECH’s Spider Coupling is a high-precision, high-torsion-capacity flexible jaw couplingengineered for heavy-duty industrial power transmission. It is specifically designed to:

Transmit rotational torque smoothly
Absorb impact loads and shocks
Compensate for shaft misalignment
Protect motors, pumps, and gearboxes
Reduce vibration and noise

Its elastomeric “spider” insert works as a shock absorber that cushions the connection between motor and driven equipment, making it one of the most reliable, maintenance-free, and long-lasting couplings in industrial operations.

3. Technical Construction Details (Deep Engineering Breakdown)

3.1 Hub Design

Made in Aluminium, Cast Iron, or High-Strength Steel (S45C).
Each hub contains crowned curved jaws to:
- Reduce edge pressure
- Improve lifespan
- Allow smooth spider compression
Precision machining ensures:
- Perfect concentricity
- Zero backlash when installed properly

3.2 Spider Insert Material Options

Polyurethane PU 92 Shore A (Standard)
Polyurethane PU 98 Shore A (High Torque)
Thermoplastic Polyurethane TPU (High Temp)

Performance Characteristics:

Spider Type	Benefits
92 Shore A	Best for general machinery, high damping
98 Shore A	Higher torque, tougher applications
High Temp TPU	Heat-resistant for compressors & hot environments

3.3 Fail-Safe Operating Principle

Even if the elastomer spider wears out or breaks:

The metal jaws interlock directly,
Allowing emergency torque transfer,
Preventing machine shutdown,
Avoiding costly downtime.

4. How It Works – Engineering-Level Explanation

Torque Transmission
Motor shaft rotates hub → hub jaw compresses elastomer → elastomer transfers torque → driven shaft rotates.
Vibration Absorption
Shock loads from motors, pumps, crushers, etc., are absorbed by spider compression.
Misalignment Handling
The elastomer allows:
- Angular misalignment
- Parallel misalignment
- Axial movement
Torsional Damping
Reduces torsional pulsation from:
- Hydraulic pumps
- Gearboxes
- Diesel engines
Noise Reduction
The elastomer insert prevents metal-to-metal contact → significantly quieter operation.

5. Applications (Expanded Version by Industry)

5.1 Palm Oil Mill & Plantation Machinery (Sabah: Lahad Datu, Sandakan, Tawau)

Used in:

Screw press
Kernel plant machinery
Crude oil pump
Conveyor systems
Boiler feedwater pump

5.2 Oil & Gas (Bintulu, Miri, Brunei: Seria & Kuala Belait)

Used for:

Produced water pumps
Chemical dosing pumps
Blowers and compressors
Offshore platform machinery

5.3 Marine & Shipbuilding (KK, Labuan, Brunei-Muara)

Used in:

Cooling pumps
Hydraulic power packs
Generator drives
Winches & hoists

5.4 Cement, Quarry & Mining Equipment (Ranau, Bau, Belaga)

Used in:

Crushers
Milling machines
Conveyor drives

5.5 HVAC & Building Services (KK, Kuching, Miri, Brunei)

Used in:

AHU blowers
Cooling tower fans
Booster pump sets

5.6 Water Treatment, Sewerage & Municipal Utilities

Used for:

Raw water pump
Sludge pump
Chlorination equipment

5.7 Manufacturing & Automation

Used in:

CNC machines
Rotating tools
Packaging machines

6. Installation Guide (Ultra Detailed)

Step-by-Step Installation

Step 1 – Inspect Components

Check hub bore, keyway, set screw, spider insert hardness, and shaft condition.

Step 2 – Prepare the Shafts

Clean all contact surfaces
Remove rust, oil, dust

Step 3 – Align Both Shafts

Use:

Feeler gauge (angular alignment)
Straight edge (parallel alignment)
Dial gauge (precision alignment)

Step 4 – Install First Hub

Slide onto motor shaft
Align keyway
Tighten set screw or locking bolt

Step 5 – Install Second Hub

Repeat same process on driven shaft.

Step 6 – Insert the Spider

Ensure:

No compression marks
No deformation
Fully seated in jaw pockets

Step 7 – Bring Hubs Together

Gap between hubs must follow model specification (GR14–GR75 gap chart).

Step 8 – Tighten All Fasteners

Use torque wrench to recommended torque levels.

Step 9 – Test Rotation

Rotate by hand → check for rubbing, binding, noise.

Step 10 – Run-In Inspection

After 24 hours of operation → recheck alignment.

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