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Z4 Expansion Coupling Sleeve Keyless Coupling High Strength Installation

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Z4 Expansion Coupling Sleeve Keyless Coupling High Strength Installation

Brand Name : GQZ or Other famous brand

Model Number : Z4 Series

Certification : ISO9001,ROHS

Place of Origin : China

MOQ : 5pcs

Supply Ability : 10000/month

Packaging Details : Plastic Bag+cox+carton

Product Type : Expansion Coupling Sleeve

Application : Automotive.tractor.construction Machinery.rolling Mill

Axial force Ft(kN) : 1050-1650

Torque Mt(kN.m) : 105-245

Material, bearing : Bearing steel

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New Arrival Z4 Expansion Sleeve Expansion Sleeve Expansion Coupling Sleeve Keyless Coupling High-strength Installation
Expansion coupling sleeve is an advanced basic component widely used in the international market for mechanical coupling under heavy load. In the connection of shaft and wheel, it is a keyless coupling device to realise load transmission by tightening the pressure and friction generated between the accommodating surfaces of high-strength bolts.
 
Product Description
 
Applicable Industries
Automotive.tractor.construction Machinery.rolling Mill
Place of Origin
China
Type
BALL
Model Number
Z2 series
Brand Name
GQZ or OEM
Seals Type
Open
Material
Chrome Steel
Outside diameter
200-300mm
Bore size
270-390mm
Feature
Long Life
Certificate
ISO9001:2008
Vibration
Z1V1 Z2V2 Z3V3
Precision
P0,P5,P6
Service
OEM Service
Stock
Rich

 

Package
Original Packing

Expansion Coupling Sleeve Main Advantages
Easy to install
Low machining accuracy required for shaft holes, no need for heating/pressurising equipment, only need to tighten bolts diagonally according to torque.
Allows hubs to be repositioned on the shaft and supports couplings with poorly welded materials.
High reliability
No keyway weakening structure, no relative motion wear, long life.
Automatic failure in case of overload protects equipment safety.
Flexible adaptation
can withstand multiple loads, support the use of multiple expansion sleeves in series to increase the load.
Easy to disassemble (just loosen the bolts), anti-rust design of the contact surface to ensure repeated use.

Dimentions Hexagon socket head cap screws Rated burden Pressure on the joint surface between the expansion sleeve and the shaft Pressure on the expansion sleeve-hub interface Screw tightening torque Weight
d D l L L1 d1 n Axial force Ft(kN) Torque Mt(kN.m) pf(N/mm2) pf1(N/mm2) MA(N.m) W.t(kg)
200 270 88 94 110 M16 24 1050 105 242 179 355 18.8
210 290 110 116 134 M18 20 1118 117.3 197 143 485 23
220 300 110 116 134 M18 21 1120 123 189 138 485 27.7
240 320 110 116 134 M18 24 1280 153 198 148 485 29.8
250 330 110 116 134 M18 27 1282 160.2 205 157 485 31
260 340 110 116 134 M18 27 1430 186 205 157 485 32
280 370 130 136 156 M20 24 1650 230 192 145 690 46
300 390 130 136 156 M20 24 1650 245 179 138 690 49
Company Information

FAQ

Can adapter sleeves withstand harsh environmental conditions?

Harsh environments, characterized by moisture, dust, and extreme temperatures, pose significant challenges.

Corrosion Resistance: Exposure to moisture can lead to corrosion, affecting the sleeve's performance.

Solution: For operations in harsh environments, select adapter sleeves made from corrosion-resistant materials or consider protective coatings to enhance the durability of adapter sleeves.

 

How should maintenance routines be structured for systems utilizing adapter sleeves?

Effective maintenance is crucial for maximizing lifespan and performance.

Inspection Schedules: Establishing routine inspection schedules helps detect potential issues early.

Lubrication Needs: Proper lubrication ensures smooth operation and reduces wear.

Solution: To maintain systems with adapter sleeves effectively:

Implement a comprehensive maintenance schedule including cleaning, inspection, and re-lubrication of components around the adapter sleeve.

Keep detailed records of all maintenance activities to track the condition and performance of adapter sleeves over time.

 

Are there specific considerations for selecting adapter sleeves for high-speed applications?

High-speed applications require careful selection to manage heat generation and vibration.

Heat Management: High speeds can generate significant heat, leading to increased wear.

Solution: For high-speed applications, choose adapter sleeves designed for enhanced speed capabilities with optimized internal geometries. Ensure adequate lubrication and cooling systems are in place to support the adapter sleeves.


Product Tags:

Z4 Expansion Sleeve

      

Keyless Expansion Sleeve

      

High Strength Expansion Sleeve

      
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