一．Basic Product Information

Q1:What is the ASFROM AT-802 Vertical Trimming Machine?

A1: The ASFROM AT-802 is a professional vertical trimming machine, specially designed for trimming upper linings after molding and deburring sole edges. The equipment adopts a special adjustment mechanism that keeps upper and lower blades in parallel contact, enabling efficient and accurate removal of excess material from product edges (such as burrs, overflow glue, linings, etc.). The machine head features oil bath lubrication for silent operation. It is particularly adept at handling burrs in concave, hidden, or other hard-to-reach areas of soles, solving the pain points of traditional trimming tools. Equipped with an LED light for convenient operator illumination.

Q2: What are the main technical parameters of the AT-802 Vertical Trimming Machine?

A2:The core parameters are as follows:

1. Model: AT-802；

2. Power: 0.18KW (approx. 1/4HP, low-power energy-saving design)；

3. Voltage: 380V / 50HZ / 3Phases (standard configuration)；

4. Output Capacity: 1,200 pairs per 8 hours；

5. Machine Size: 700mm × 450mm × 1400mm；

6. Net Weight: 85KG；

7. Gross Weight: 105KG。

Q3:  What are the standard electrical specifications of the ASFROM AT-802? Is voltage customization available?

A3:The standard voltage is 380V / 50HZ / 3Phases with a power rating of 0.18KW (1/4HP). For overseas customers with local voltages of 220V / 60Hz or other specifications, please consult the brand when placing an order to confirm whether motor customization is supported. As the machine uses a three-phase motor configuration, please ensure factory site power supply conditions are confirmed at the selection stage to guarantee normal operation.

二. Applicable Industries & Materials

Q4: Which production fields is the ASFROM AT-802 Vertical Trimming Machine suitable for?

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

1. Footwear industry:

   • Precise trimming of upper edges and linings of finished women‘s shoes, ensuring wearing comfort and beautiful lines；

   • Deburring sole edges of various shoes and boots made by direct injection lasting process (such as sports shoes, work shoes, skates, snow boots, etc.)；

   • Handling burrs in concave, hidden, or other hard-to-reach areas of soles；

   • Trimming edges of leather or Poron midsoles；

   • Edge trimming of sandal-style rubber boots；

2. Other leather goods: Edge trimming and deburring of various leather products.

Q5: What types of materials can the AT-802 trimming machine process?

A5:The machine is suitable for a wide variety of materials, including but not limited to:

• Upper materials: Genuine leather, synthetic leather, microfiber, textile fabrics, etc.；

• Sole materials: Rubber, PU, EVA, TPU foam or solid materials；

• Midsole materials: Leather midsoles, Poron midsoles, etc.；

• Others: Various leather goods.

Equipped with a special adjustment mechanism that keeps upper and lower blades in precise parallel contact, the machine achieves extremely high trimming accuracy and consistency, avoiding cutting the product or leaving uneven edges.

三. Special Knowledge of Machine Components

Q6: What is the core structure and working principle of the AT-802 Vertical Trimming Machine?

A6:The equipment adopts a vertical trimming design with upper and lower blades in parallel contact:

1. Upper blade: Actively rotating cutting, responsible for removing burrs；

2. Lower blade: Cooperates with the upper blade to form a shearing action, assisting the cutting；

3. Special adjustment mechanism: Can precisely adjust and keep the upper and lower blades in parallel contact during operation, ensuring trimming accuracy and consistency.

During operation, the operator lightly places the workpiece against the knife position. The rotating cutting of the upper blade combined with the supporting shearing of the lower blade easily and thoroughly removes burrs. The machine head features oil bath lubrication for silent operation. The vertical structure is particularly suitable for handling burrs in concave, hidden, or other hard-to-reach areas of soles, solving the pain points of traditional trimming tools.

Q7: What is the function of the special adjustment mechanism on the AT-802 trimming machine?

A7:The AT-802 is equipped with a precision adjustment mechanism, whose core functions are:

1. Precise adjustment of upper and lower blade parallelism: Through adjustment screws, the upper and lower blades can be maintained in precise parallel contact during operation；

2. Ensuring trimming consistency: Parallel contact ensures uniform cutting force, resulting in smooth and even trimmed edges without jagged or uneven edges；

3. Avoiding product damage: Precise control of cutting angle and force prevents cutting into the upper, sole, or product body；

4. Adapting to different material thicknesses: Blade gaps can be fine-tuned according to material thickness, adapting to trimming needs of different products.

This adjustment mechanism design makes the equipment more flexible to operate and trimming quality more stable and reliable.

Q8: What are the advantages of the oil bath lubrication for the AT-802 trimming machine head?

A8:The AT-802 machine head adopts oil bath lubrication, offering the following advantages:

1. Silent operation: Oil bath lubrication effectively reduces noise from gears and bearings, making the equipment run more quietly and improving the workshop working environment；

2. Reduced wear: Continuous oil film coverage on moving parts reduces direct friction between metal components, extending the service life of internal parts；

3. Good heat dissipation: Circulating lubricating oil carries away heat generated during operation, preventing overheating and ensuring stability during long-term continuous operation；

4. Convenient maintenance: The sealed oil bath lubrication system reduces the hassle of frequent oiling, making daily maintenance simpler.

四. Standard Operation Process

Q9: What is the standard operation process of the ASFROM AT-802 Vertical Trimming Machine?

A9:The operation process is as follows:

1. Pre-operation check: Confirm power connection is normal; check that upper and lower blades are firmly installed without defects；check oil level in the oil bath lubrication system；

2. Adjust blades: Use the special adjustment mechanism to ensure upper and lower blades maintain precise parallel contact at the working position；

3. Start the machine: Turn on the power switch; the motor drives the blades to normal operating speed；

4. Trimming operation: The operator holds the workpiece and lightly contacts the area to be trimmed against the blade position, moving smoothly along the edge to complete trimming；

5. Quality inspection: Check whether the trimmed product edge is smooth, free of residual burrs, and undamaged；

6. Cleaning and shutdown: After operation, clean debris from the blade and machine body, and turn off the power.

Q10: How does the AT-802 trimming machine solve the problem of burrs in concave or hidden areas of soles?

A10:The AT-802 effectively solves the pain points of traditional trimming tools through the following features:

1. Vertical structure design: The vertical trimming structure allows operators to flexibly adjust the product angle, enabling the knife to easily reach recessed grooves and hidden areas of soles；

2. Upper and lower blade parallel contact: The small and precise blade contact surface allows access to tight spaces without damaging surrounding areas；

3. Precise control: Operators can precisely control the cutting position by adjusting product angle and feeding pressure, avoiding damage to normal areas of the sole；

4. Wide application range: Especially suitable for trimming shoes with complex sole structures such as sports shoes, work shoes, skates, and snow boots.

五.Machine Structure & Components

Q11: What are the core components of the ASFROM AT-802 Vertical Trimming Machine?

A11The machine mainly consists of the following core components:

1. Base and body: Supports the overall structure and provides an operating platform；

2. Upper blade system: Actively rotating cutting tool, including upper blade and fixing device；

3. Lower blade system: Auxiliary support and shearing, including lower blade and adjustable blade holder；

4. Special adjustment mechanism: Precision mechanism for adjusting upper and lower blade parallel contact；

5. Motor drive system: 0.18KW (1/4HP) three-phase motor；

6. Oil bath lubrication system: Machine head oil bath lubrication device, including oil sight glass, oil cap, etc.；

7. Sharpening device: Includes grinding wheel, grinding wheel cover, etc., for on-site blade sharpening；

8. Cooling system: Water cup, water valve, copper tube for knife cooling；

9. LED work light: Provides operator illumination.

Q12: How is the sharpening device of the AT-802 trimming machine used? What are its advantages?

A12:The AT-802 is equipped with a grinding wheel sharpening device, used as follows:

1. Usage: When the blade becomes dull, without removing the blade, the sharpening stand can be adjusted to the working position. Start the motor and use the grinding wheel to sharpen the blade edge, quickly restoring sharpness；

2. Advantages:

   • Time saving: No need to remove blades for off-site sharpening; blade grinding can be completed in 2-3 minutes, significantly reducing downtime；

   • Maintaining accuracy: Sharpening on the machine maintains the original installation angle and fit accuracy of the blades；

   • Reducing consumable costs: Extends blade replacement cycles, reducing tool procurement costs；

   • Easy operation: The sharpening device is simple in design, allowing operators to quickly master sharpening techniques.

六.Core Functions & Features

Q13: What are the core advantages of the ASFROM AT-802 Vertical Trimming Machine compared to ordinary trimming equipment?

A13:Six core advantages:

1. Upper and lower blade parallel contact mechanism: Special adjustment mechanism ensures blades maintain precise parallel contact at all times, delivering high trimming accuracy and consistency, avoiding uneven edges；

2. Vertical structure design: Particularly suitable for handling burrs in concave, hidden, or other hard-to-reach areas of soles, solving the pain points of traditional trimming tools；

3. Oil bath lubrication head: Silent operation, reduced wear, extended equipment service life, and improved workshop working environment；

4. Integrated sharpening device: No need to remove blades; blades can be quickly ground on the machine, reducing downtime；

5. High output capacity: Capacity of 1,200 pairs per 8 hours, suitable for mass production；

6. Multi-functional: Trims both upper linings and various sole edges and leather goods, reducing equipment investment.

Q14: What is the practical significance of the oil bath lubrication system of the AT-802 trimming machine for production?

A14:The practical significance of the oil bath lubrication system for production is reflected in:

1. Silent operation: Equipment operating noise is significantly lower than dry-lubricated or non-lubricated equipment, reducing operator fatigue during long-term operation and improving the workshop acoustic environment；

2. Reduced maintenance frequency: Oil bath lubrication is continuously effective, eliminating the need for frequent manual oiling, reducing daily maintenance workload；

3. Extended parts life: Internal components such as gears and bearings receive continuous protection, reducing wear and failures, and lowering maintenance costs；

4. Maintained precision: Good lubrication ensures smooth operation of moving parts, maintaining stable trimming accuracy over time and ensuring consistent product quality.

七.Safety & Performance

Q15:  What are the safety precautions when operating the AT-802 Vertical Trimming Machine?

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

1. Hand safety: Keep hands at a safe distance from the blade during operation. Never touch the blade directly with hands while the blade is running；

2. Workpiece fixing: When trimming small workpieces, use auxiliary tools to secure them, preventing the workpiece from being pulled into the blade；

3. Eye protection: Operators are recommended to wear safety goggles to prevent cutting debris from splashing into the eyes；

4. Sharpening safety: When performing sharpening operations, ensure the grinding wheel cover is properly installed to prevent debris splashing；

5. Maintenance shutdown: Turn off the power and wait for the blade to come to a complete stop before performing blade replacement, cleaning, or adjustment；

6. Power safety: Ensure the power cord is not damaged and the equipment is properly grounded to avoid electric shock risks；

7. Oil level check: Regularly check the oil level in the oil bath lubrication system to ensure sufficient oil, avoiding machine head damage due to lack of oil.

Q16: What are the common blade issues after long-term operation of the AT-802 trimming machine? How should they be handled?

A16:Common issues and solutions are as follows:

1. Blade dulling: Increased trimming resistance and uneven edges. Solution: Use the built-in grinding wheel sharpening device for on-site grinding to quickly restore sharpness；

2. Chipped blade edge: Jagged marks appear during trimming. Solution: If the chip is minor, use the sharpening device to grind it；if severe, replace with a new blade；

3. Blade parallelism deviation: Uneven trimming thickness, one-sided cutting. Solution: Use the special adjustment mechanism to re-adjust upper and lower blade parallel contact；

4. Loose blade: Excessive vibration and abnormal noise during trimming. Solution: Stop the machine and check tightening screws；confirm the blade is firmly installed.

It is recommended that customers inspect blade condition daily before starting work, regularly use the sharpening device to maintain blade sharpness, regularly check the oil level in the oil bath lubrication system, and keep spare blades on hand to minimize production downtime.

八. Model Selection Consultation

Q17: What key conditions should be confirmed when purchasing the ASFROM AT-802 Vertical Trimming 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 uses a three-phase motor, so ensure the factory has three-phase power supply available；

2. Material type and trimming areas: Confirm the main material types to be trimmed (upper linings/sole burrs/leather midsoles, etc.) and trimming areas (flat surfaces/grooves/hidden areas, etc.) to evaluate equipment suitability；

3. Trimming difficulty requirements: If handling burrs in concave, hidden, or hard-to-reach areas of soles is required, the AT-802‘s vertical structure is the ideal choice；for mainly flat-surface trimming, consult the brand for potentially more economical models；

4. Daily output requirements: The AT-802 has a capacity of 1,200 pairs per 8 hours. Assess whether it matches daily output targets. For mass production, consider multiple units.

Q18: Can the upper and lower blade parallelism of the AT-802 be adjusted by the user after the machine is delivered?

A18:Yes. The AT-802 is designed with user adjustment convenience in mind, and the special adjustment mechanism is specifically for this purpose. The adjustment method is as follows:

1. Turn off the power and wait for the blade to come to a complete stop；

2. Loosen the relevant locking screws and use the adjustment screws to fine-tune the lower blade holder position；

3. Confirm that the upper and lower blades achieve precise parallel contact at the working position through observation and feel；

4. Lock the adjustment screws, manually rotate to check contact status, and only after confirmation start the machine for a trial run.

The adjustment mechanism is simple in design and intuitive to operate. Ordinary technicians can master the adjustment method with brief guidance. If in doubt, refer to the user manual or contact the brand‘s technical support.

九. Customization & After-sales Document FAQs

十. Warranty & Overseas Technical Support FAQs