China Linear Ball Bearing manufacturer
Wuxi Guangqiang Bearing Trade Co.,Ltd
Wuxi Guangqiang Bearing Trade Co., Ltd.
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Z4 Expansion Coupling Sleeve Keyless Coupling High Strength Installation

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
Minimum Order Quantity 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
Detailed Product Description
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.

DimentionsHexagon socket head cap screwsRated burdenPressure on the joint surface between the expansion sleeve and the shaftPressure on the expansion sleeve-hub interfaceScrew tightening torqueWeight
dDlLL1d1nAxial force Ft(kN)Torque Mt(kN.m)pf(N/mm2)pf1(N/mm2)MA(N.m)W.t(kg)
2002708894110M1624105010524217935518.8
210290110116134M18201118117.319714348523
220300110116134M1821112012318913848527.7
240320110116134M1824128015319814848529.8
250330110116134M18271282160.220515748531
260340110116134M1827143018620515748532
280370130136156M2024165023019214569046
300390130136156M2024165024517913869049
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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