• Wrapping Machine Chains And Sprockets
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Wrapping Machine Chains And Sprockets

  • DONGHUA
  • Hangzhou, China
  • 7 ~15 days
  • 30 per month
  • B series
  • 08B-1-25T
Donghua chain sprocket has high-precision manufacturing, excellent durability, optimized tooth profile design, and a transmission efficiency of up to 98%. Each batch of products is tested by a coordinate measuring instrument, and the price is 30-50% lower than imported brands.

Product Advantages and Features


1.Precision manufacturing with excellent quality

Adopting German CNC five axis machining center, the tooth profile accuracy meets DIN 8197 standard

Introducing high-precision gear hobbing machines from Japan, with machining tolerances controlled within ± 0.005mm

Innovative "triple tempering" heat treatment process, increasing product lifespan by 40%


2.Breakthrough in Material Science Performance

Selected Baosteel special supply alloy steel SCM440, with a tensile strength of 1200MPa

The surface adopts nano composite coating technology, which improves corrosion resistance by 5 times

Tested in extreme environments ranging from -40 ℃ to 150 ℃


3.Intelligent production quality assurance

Fully automated production line equipped with machine vision inspection system

Each product is laser engraved with a unique traceability code

Passed ISO 9001/14001/45001 three system certification


4.Innovation design efficiency improvement

Patent involute tooth profile design (patent number ZL2020XXXXXX. X)

Optimize the chip removal groove structure to reduce friction loss by 15%

Modular combination design increases installation efficiency by 50%

Wrapping machine Chains and sprockets

Product Technical Parameters


Basic Parameters

Parameter

Value

Standard

Chain Type

08B-1

ANSI B29.1M

Number of Teeth (Z)

25T

-

Pitch (P)

12.70mm

ISO 606

Roller Diameter

8.51mm

DIN 8187

Plate Thickness

1.85mm

GB/T 1243

Key Dimensions

Dimension

Value

Tolerance

Pitch Diameter

101.60mm

±0.05mm

Outer Diameter

108.12mm

±0.08mm

Root Diameter

93.09mm

±0.05mm

Hub Diameter

60.00mm

±0.1mm

Overall Width

14.00mm

±0.2mm

Bore & Keyway Options

Configuration

Standard

Customization

Standard Bore

20mm

12-50mm

Keyway Size

6×6mm

ISO compliant

Keyway Type

Flat Key

Spline/Taper


Product Application Scope


Chain sprockets are suitable for various fields of demand

Our chain sprockets are mainly used as conveying systems and transmission systems in the general industrial field, and can also be applied in the food processing industry, agricultural machinery, engineering machinery, and automation equipment in the field of specialized equipment. They are also excellent in dealing with special environments such as humid/corrosive environments and high temperature environments.


Equipment case: Packaging machinery,Main drive for bag packaging machine.


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets

Product Description


Parameter

Donghua 08B-1-25T

Domestic Generic Brands

Competitive Edge

Material

45# Steel (QT+Induction Hardened)

Plain Carbon Steel

3x wear resistance, 50% longer lifespan

Precision

ISO 606 (±0.03mm)

GB Basic (±0.1mm)

98% efficiency, 15dB quieter

Coating

Black Oxide (+Ni/Dacromet options)

Basic paint

72h salt spray test (vs 24h)

Warranty

2 years (with tech support)

Typically 1 year

Free application analysis

Price

Mid-range (~¥280)

Economy (~¥180)

Superior cost-performance ratio


Chain and sprocket products have significant advantages in performance, craftsmanship, and service, outstanding cost-effectiveness, wide applicability in all scenarios, and reinforced durability design. They are not only transmission components, but also the guarantee of your production efficiency!


Company Introduction


Haopai Co., Ltd. was established in 2008 and is a comprehensive service enterprise specializing in machinery and accessories for the home industry. We have a specialized and innovative customer center, component assembly workshop, equipment debugging workshop, processing workshop, and warehousing. Our main business includes sales of mechanical parts, equipment upgrades and renovations, equipment maintenance and relocation, customized non-standard equipment, intelligent production line planning, automation support, machine vision, shared cloud warehouses, etc. We provide customers with professional personalized services. After more than ten years of accumulation and development, our elite service team of nearly 200 people has served over 10000 enterprises nationwide. Over the years, we have accumulated more than 200000 non-standard accessory categories, making us the most comprehensive one-stop procurement platform in the industry. We have the most competitive technical renovation team in China, with a total of over 100000 equipment upgrade and renovation projects. Haopai Co., Ltd. has been committed to the great cause of making global machinery and preferred Chinese parts for many years, and is determined to become the preferred brand for comprehensive services of global machinery and parts.


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


Deeply Cultivating the Industry for More Than Ten Years, Creating an Intelligent Manufacturing Full Chain System for Woodworking Machinery.

After 16 years of industry accumulation, we have always focused on the research and manufacturing of CNC woodworking machinery. We have established a leading full chain production system and specialized team structure, providing one-stop services from research and development to delivery for global customers. It is currently a one-stop procurement platform with a complete range of categories in the industry.


Specialized and Innovative Customer Center


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


Haopai has been committed to the business philosophy of quality first, integrity-based, and win-win cooperation. We adhere to the business philosophy of ultimate customer experience and efficient operation, and uphold the service spirit of taking non-standard customization, drilling difficulties, and solving difficulties as our own responsibility. We constantly innovate and aspire to become the preferred brand for comprehensive services of global machinery and accessories. We are committed to making the great cause of global machinery and preferred Chinese accessories contribute to the development of national brands and the strength of Haopai people.


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


Team Style


Professional team, always on standby

The service team is distributed in pre-sales consulting, order management, technical support, and after-sales service positions, with 7 × 12 hours of online response to ensure that your needs are processed in the first time.

Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets

Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets

Wrapping machine Chains and sprockets

Haopai Intelligent Cloud Warehouse, Escorting You

In Order to Solve the Problems of High Procurement Costs, Low Efficiency, Difficult Management, Slow Logistics, And High Stagnant Inventory of Industrial Materials in Factories, Haopai Shared Cloud Warehouse Emerged in 2020. Greater Efforts Will Be Made to Assist Customers in Achieving Zero Capital Occupation, Spare Parts Inventory, And Improving Their Digital Level.

Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets

Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


Machining Workshop


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets

Component Assembly Workshop


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


New Media Center


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


The Intelligent Dispatching System Established in 2021 Has Achieved Intelligent Personnel Allocation, Real-Time Control of Technical Personnel's Work Status, Mobile Dispatching, Accurate and Effective Arrangement of Various Tasks, Precise Control of Project Costs, Thus Creating a Fast Response, Efficient, And Professional After-Sales Service Team.


Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets
Wrapping machine Chains and sprockets


Patent Certificates

Wrapping machine Chains and sprockets

Cooperative Partner


We Have Served over 10000 Enterprises Nationwide and Have Accumulated over 200000 Non-standard Accessory Categories over the Years, Covering Major Home Furnishing Brands Across the Country.


Wrapping machine Chains and sprockets

Wrapping machine Chains and sprockets




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