1. ข้อมูลพื้นฐานของผลิตภัณฑ์

Q1: What is the ASFROM AB-671 Single Head Sole Buffing Machine?

A1:The ASFROM AB-671 is a single-head buffing machine with an integrated dust extraction system, specially designed for furring, edge grinding, and roughing of outsoles and heels. The machine features a powerful built-in dust suction system that effectively removes large amounts of dust and debris (such as rubber crumbs, leather fibers, etc.) generated during the grinding process. With precisely adjustable speed, smooth operation, low noise, and easy cleaning, this machine is an ideal choice for outsole and heel grinding in the footwear industry.

Q2:What are the main technical parameters of the AB-671 Single Head Buffing Machine?

A2:The core parameters are as follows:

1. Model: AB-671；

2. Voltage: 380V / 50HZ / 3Phases (standard three-phase configuration)；

3. Power: 2.2KW (high-power spindle ensures strong grinding force)；

4. Max Speed: 2000 r/min (adjustable speed, smooth operation)；

5. Shaft Head Diameter: φ25.4MM (standard grinding wheel mounting size)；

6. Machine Size: 790mm × 860mm × 1480mm；

7. Packing Size: 890mm × 960mm × 1610mm；

8. Net Weight: 100KG；

9. Gross Weight: 200KG。

Q3: What are the standard electrical specifications of the ASFROM AB-671? Is voltage customization available?

A3:The standard voltage is 380V / 50HZ / 3Phases with a power rating of 2.2KW. For overseas customers with local voltages of 220V / 60Hz or other specifications, please consult the brand when placing an order to confirm whether motor and electrical system customization is supported. As the machine has a power rating of 2.2KW, please ensure the factory power supply lines meet the load requirements. During installation, please check that the motor rotation direction matches the arrow指示 to ensure correct operation.on cost.

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Q4: Which production fields is the ASFROM AB-671 Single Head Buffing Machine suitable for?

A4:This machine is mainly suitable for the following production fields:

1. Footwear industry: Furring, edge grinding, and roughing of various outsoles (rubber, PU, TPU, etc.)；

2. Heel processing: Surface furring and roughening of various heels；

3. Shoe material preparation: Creating a uniformly rough bonding surface on outsoles and heels to enhance adhesion strength with the upper or outsole.

The AB-671 is a key equipment for outsole and heel pretreatment in shoe production lines; grinding quality directly affects the bonding strength and service life of finished shoes.

Q5: What types of materials can the AB-671 buffing machine process?

A5:The machine is suitable for various shoe materials, including but not limited to:

• Rubber: Natural rubber and synthetic rubber outsoles and heels；

• PU materials: Polyurethane soles and heels；

• TPU materials: Thermoplastic polyurethane soles and heels；

• EVA materials: EVA foam soles and heels；

• Leather: Leather soles and heels.

By changing grinding wheels of different grits and materials (self-provided by the customer), the machine can adapt to grinding requirements for different hardnesses and materials. The shaft head diameter is φ25.4MM, meeting standard grinding wheel mounting specifications.

三. Special Knowledge of Machine Components

Q6: What is the core structure and working principle of the AB-671 Single Head Buffing Machine?

A6:The equipment adopts a single-head grinding + integrated dust extraction design. The core structure and working principle are as follows:

1. Single-head grinding system: A 2.2KW high-power motor drives the spindle, rotating the grinding wheel at up to 2000 r/min for furring, edge grinding, and roughing of outsoles and heels；

2. Speed adjustment system: Variable speed design with stable operation; speed can be adjusted flexibly according to different materials and process requirements；

3. Integrated dust extraction system: The machine has a built-in dust suction device that removes dust and debris simultaneously during grinding；

4. Dust collection bags: Cloth bags are installed on the rear air cylinder (one long and one short bag are standard) to collect grinding dust for easy cleaning.

The machine features a compact structure with a simple and efficient single-head design for convenient operation.

Q7: How does the integrated dust extraction system of the AB-671 buffing machine work?

A7:The AB-671 is equipped with an efficient integrated dust extraction system, which works as follows:

1. Built-in design: The dust extraction system is integrated with the grinding spindle, requiring no external dust collector and saving workshop space；

2. Strong suction: Powerful dust suction efficiently removes large amounts of dust and debris (such as rubber crumbs, leather fibers, etc.) generated during grinding；

3. Simultaneous extraction: Grinding and dust extraction occur simultaneously, with dust being drawn into the duct before it can disperse, keeping the processing area clear；

4. Dust collection bags: Dust is directed through the air cylinder into cloth bags (one long and one short bag are standard) for easy centralized cleaning；

5. Regular cleaning: It is recommended to clean the cloth bags and fan blades after every 2,000 pairs of shoes to maintain dust extraction performance.

Good dust extraction not only improves the working environment but also enhances grinding quality — dust is removed promptly, preventing accumulation on the grinding surface that could affect processing quality.

Q8:How is the grinding wheel installed on the AB-671 buffing machine? What are the precautions?

A8:The grinding wheel installation for the AB-671 is as follows:

1. Shaft head specification: The shaft head diameter is φ25.4MM. Customers must purchase grinding wheels that meet this diameter requirement；

2. Installation steps:

   • Turn off the power and wait for the spindle to come to a complete stop；

   • Clean the shaft head and mounting surface；

   • Select the appropriate spacer according to the shoe type for positioning the grinding wheel；

   • Slide the grinding wheel onto the shaft head and position it with the spacer；

   • Tighten the fixing nut to ensure the grinding wheel is securely installed；

3. Precautions:

   • The grinding wheel must meet the shaft head diameter requirement (φ25.4MM)；

   • After installation, manually rotate to check whether the grinding wheel is properly positioned and rotates smoothly；

   • Before operation, confirm that the locking nut is securely tightened to prevent the grinding wheel from loosening.

四.Standard Operation Process

Q9: What is the standard operation process of the ASFROM AB-671 Single Head Buffing Machine?

A9: The operation process is as follows:

1. Installation environment check: Confirm the installation site meets requirements (temperature -10℃ to +45℃, well-ventilated, no dripping, no corrosive gases, no severe dust)；

2. Machine installation: Place the machine on a stable base; add shims if uneven for leveling；

3. Grinding wheel installation: Select the appropriate grinding wheel and spacer according to processing needs, install and tighten securely；

4. Bag installation: Install the rear air cylinder dust collection bags (one long and one short) on the air cylinder；

5. Power connection: Connect the power supply (380V) and check that the motor rotation direction matches the arrow指示；

6. Start operation: Start the machine, adjust the speed according to the material, and perform furring, edge grinding, and roughing of outsoles/heels；

7. Quality inspection: Check whether the ground surface is uniformly rough and free of residual burrs；

8. Cleaning and shutdown: After operation, clean the dust collection bags and turn off the power.

Q10:  How can the AB-671 buffing machine ensure grinding quality and bonding strength during operation?

A10:The equipment ensures grinding quality and bonding effect through the following features:

1. High-power spindle: The 2.2KW high power ensures sufficient grinding force, forming a uniformly rough bonding surface even on hard materials；

2. Precise and adjustable speed: Smooth variable speed operation allows real-time speed adjustment according to different material hardness, improving efficiency while ensuring grinding quality；

3. Grinding wheel selection: Choose the appropriate grinding wheel grit and material according to material type (self-provided by customer) for optimal bonding surface results；

4. Simultaneous dust extraction: Prompt dust removal prevents dust accumulation on the bonding surface that could affect adhesion quality, keeping the processing area clear；

5. Operator technique: Operators are advised to maintain uniform contact pressure and movement speed to avoid over-grinding or missed areas.

五.Machine Structure & Components

Q11: What are the core components of the ASFROM AB-671 Single Head Buffing Machine?

A11:The machine mainly consists of the following core components:

1. Base and body: Sturdy load-bearing structure ensuring stable operation；

2. Spindle and motor system: 2.2KW motor driving the spindle at up to 2000 r/min with adjustable speed；

3. Grinding wheel mounting system: Shaft head diameter φ25.4MM with spacer positioning and locking nut fixing；

4. Integrated dust extraction system: Built-in dust suction duct with strong suction for simultaneous dust collection during grinding；

5. Dust collection bag system: One long and one short cloth bag installed on the rear air cylinder for dust collection and easy cleaning；

6. Electrical control system: Controls machine start, stop, speed adjustment, and operational protection；

7. Safety guards: Protect operator safety.

The machine features a simple structure with a well-designed single-head layout for convenient operation, suitable for various shoe factories.

Q12: How are the dust collection bags of the AB-671 installed and cleaned?

A12:The installation and cleaning of the dust collection bags are as follows:

1. Installation method:

   • Before operation, the rear air cylinder dust collection bags must be installed on the air cylinder；

   • The single-head machine comes with one long and one short cloth bag as standard；

   • Ensure the bags are securely installed without air leakage；

2. Cleaning frequency:

   • It is recommended to clean the cloth bags and fan blades after every 2,000 pairs of shoes；

   • For higher dust volumes, increase the cleaning frequency accordingly；

3. Cleaning method:

   • Turn off the power and wait for the machine to come to a complete stop；

   • Remove the dust collection bags and empty the dust；

   • Pat the bags to remove adhered dust; use compressed air for blowing if necessary；

   • Also clean dust accumulation inside the fan blades；

   • Reinstall the bags after cleaning, ensuring good sealing.

Regular cleaning of the bags and fan blades is key to maintaining dust extraction performance and an important part of daily equipment maintenance.

六.Core Functions & Features

Q13: What are the core advantages of the ASFROM AB-671 Single Head Buffing Machine compared to ordinary grinding equipment?

A13:Five core advantages:

1. Integrated dust extraction, environmentally friendly: Built-in powerful suction system efficiently removes dust and debris generated during grinding, keeping the processing area clear, reducing environmental pollution, and protecting operator health；

2. Precise and adjustable speed: Smooth variable speed operation allows real-time speed adjustment according to different material hardness, improving efficiency while extending equipment life and reducing energy consumption；

3. Effective noise reduction: Optimized dust collection system design results in relatively low operating noise, helping to improve the workshop working environment；

4. Easy to clean: Reasonably designed dust collection structure makes it convenient for users to quickly clean dust or replace filter bags, reducing equipment maintenance time；

5. Environmentally friendly: Collects waste at the source, reducing dust diffusion pollution to operator health and the workshop environment, meeting environmental requirements.

Q14：AB-671 打粗机的速度调节功能对生产有什么实际意义？

Q14: What is the practical significance of the speed adjustment function of the AB-671 buffing machine for production?

Q14: What is the practical significance of the speed adjustment function of the AB-671 buffing machine for production?

A14:The practical significance of the speed adjustment function for production is reflected in:

1. Wide material adaptability: Different materials (rubber, PU, EVA, leather, etc.) have different hardnesses; optimal grinding results can be achieved by adjusting the speed, allowing one machine to adapt to multiple materials；

2. Controllable grinding quality: Higher speeds can be used for hard materials to improve efficiency; lower speeds can be used for soft or heat-sensitive materials to prevent thermal damage；

3. Extended grinding wheel life: Reasonable speed adjustment according to material hardness prevents excessive wheel wear, extends replacement cycles, and reduces consumable costs；

4. Reduced energy consumption: Using appropriate speeds while meeting process requirements avoids unnecessary high-speed operation, saving electricity；

5. Smooth operation: The variable speed design ensures stable operation at all speeds, reducing the impact of vibration on grinding quality.

七. Safety & Performance

Q15: What are the safety precautions when operating the AB-671 Single Head Buffing Machine?

A15:To ensure operator safety, please pay attention to the following:

1. Installation environment: Install the machine in a well-ventilated place with no dripping, no corrosive gases, no severe dust, and no direct sunlight；

2. Grinding wheel inspection: Before starting, check whether the grinding wheel is securely installed and free of cracks or damage. Damaged wheels are strictly prohibited；

3. Rotation direction confirmation: After power connection, check that the motor rotation direction matches the arrow指示 before operation；

4. Hand safety: Keep hands at a safe distance from the rotating grinding wheel during operation to prevent injury from high-speed rotating parts；

5. Eye and respiratory protection: Operators are recommended to wear safety goggles and dust masks to prevent dust and debris from splashing into the eyes or being inhaled；

6. Gate management: The dust extraction system gate must not be opened to prevent hard objects from falling in and damaging the fan；

7. Grinding wheel replacement: Always turn off the power and wait for the spindle to come to a complete stop before replacing the grinding wheel；

8. Power safety: Ensure the power cord is not damaged and the equipment is properly grounded (machine body safety grounding) to avoid electric shock risks；

9. Wiring safety: There should be no short circuits between wiring.

Q16: What are the common issues after long-term operation of the AB-671 buffing machine? How should they be handled?

A16:Common issues and solutions are as follows:

1. Grinding wheel wear: Reduced grinding performance and uneven surface. Solution: Replace the grinding wheel promptly to maintain good condition；

2. Reduced dust extraction: Incomplete dust collection, increased workshop dust. Solution: Clean the dust collection bags (recommended after every 2,000 pairs), check whether the fan blades have accumulated dust, and clean the dust suction duct；

3. Abnormal motor rotation direction: Machine runs opposite to arrow指示. Solution: Check power wiring connections and adjust phase sequence；

4. Abnormal noise or vibration: Unusual noise or increased vibration during operation. Solution: Check whether the grinding wheel is balanced; check whether spindle bearings are worn; contact professional personnel for inspection if necessary；

5. Damaged bags: Dust leakage. Solution: Replace the dust collection bags promptly.

It is recommended that customers inspect the grinding wheel condition daily before starting work, regularly clean the dust extraction system, and address any abnormalities promptly to extend equipment service life.

八.Model Selection Consultation

Q17: What key conditions should be confirmed when purchasing the ASFROM AB-671 Single Head Buffing Machine?

A17:Purchasing requires confirmation of 4 core dimensions:

1. Power supply conditions: Confirm the factory site voltage (standard 380V/50Hz three-phase) and frequency. The machine has a power rating of 2.2KW, so ensure the factory power supply lines meet the load requirements；

2. Processing materials and process requirements: Confirm the main material types (rubber/PU/EVA/leather, etc.) and required grinding effect (furring/edge grinding/roughing) to determine the grinding wheel configuration plan (wheels self-provided by customer)；

3. Installation environment: Confirm the installation site conditions (temperature -10℃ to +45℃, well-ventilated, no dripping, no corrosive gases, no severe dust) to ensure a proper operating environment；

4. Daily output requirements: The AB-671 is a single-head single-station machine. Assess whether it matches daily output targets. The machine recommends cleaning the bags after every 2,000 pairs; for mass production, cleaning frequency should be reasonably scheduled.

Q18:  Can the dust collection bags of the AB-671 be replaced or upgraded by the user after the machine is delivered?

A18:Yes. The dust collection bags of the AB-671 are consumable items that users can replace themselves. Details are as follows:

1. Standard configuration: The single-head machine comes with one long and one short cloth bag as standard；

2. Replacement steps:

   • Turn off the power and ensure the machine has completely stopped；

   • Remove the old bags and clean residual dust at the air cylinder interface；

   • Install new bags, ensuring good sealing and secure installation at the interface；

   • Start the machine and check whether the dust extraction performance is normal；

3. Bag upgrades: If replacement with different materials or specifications (such as anti-static bags, higher filtration precision bags, etc.) is needed, consult the brand or purchase alternatives that match the air cylinder interface dimensions；

4. Procurement channel: It is recommended to purchase genuine parts from the original factory to ensure size matching and dust extraction performance.