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Don't know about robot deburring, grinding and polishing force control tools?

Release time:2021-12-15Read:71

Application Status of Industrial Robots in Deburring, Grinding and Polishing at Home and Abroad

At present, most of the domestic factories and even large automobile engine manufacturing companies use manual or hand-held pneumatic and electric tools to grind, grind, file and other ways to process the engine shell, body and other workpieces, which easily lead to the rise of product defect rate, and the efficiency is very low, and there are problems such as uneven surface roughness of the processed products.

Some manufacturers have also begun to use robots to install electric or pneumatic tools for automated polishing. Compared with hand polishing, the robot deburring can effectively improve production efficiency, reduce costs, and improve product yield. However, due to factors such as mechanical arm rigidity, positioning error, and so on, the use of robot clamping electric and pneumatic tools for deburring is prone to breakage or damage to the workpiece due to uneven force.

In recent years, the Compliant Force Control Tool, which has been widely used in Europe and the United States, has been widely used in recent years. It can achieve force-controlled floating in axial or 360 degrees, and the emergence of this new force-controlled tool solves the problem of robot polishing, polishing and polishing the main axis tool. Force-controlled floating polishing tool polishing and polishing irregular edges, corners, cross holes and other irregular shapes of thorns and surfaces can enable floating mechanisms and tools to apply compliant processing to the thorn surface of the workpiece, simulate the manual to carry out flexible burr grinding polishing, can effectively avoid the damage caused by the tool and the workpiece, absorb the error of the workpiece and positioning, and improve the accuracy.

The robotic deburring floating tool can be used for automatic tool change, multi-process machining through quick changeover interface, or can be connected to the robot by flanging or other means for economical reasons. The floating tool can also be conveniently installed in numerical control machining centers.

The advantages of industrial robots for hair polishing, grinding and polishing and the urgency of their application in China

Since the grinding, polishing and polishing work conditions are relatively harsh, the sparks, dust and noise generated by the grinding seriously affect the physical and mental health of the workers. Workers can not concentrate on the intense, repetitive work for long, prone to accident on duty; The quality of artificial polishing must be judged according to the experience of the workers, so the quality of polishing cannot be guaranteed; There is a shortage of skilled workers, low performance and difficulty in recruiting; The rising cost of labor, and the harsh working environment that must pay workers higher wages, make the replacement of robots an inevitable and imminent trend!

Compared to humans, the advantages of robot polishing and polishing hair removal are self-evident:

(1) Enclosed robotic workstations isolate high noise and dust from the outside to reduce environmental pollution;

(2) The operator does not touch the dangerous process equipment directly, avoids the accident on duty;

(3) The robot can maintain the consistency of product processing accuracy, which not only ensures reliable quality, but also reduces the waste rate;

(4) Robots replace skilled workers, which not only reduces labor costs, but also does not affect the delivery period due to the loss of operators.

(5) The robot can operate continuously 24 hours, and the production efficiency is greatly improved.

(6) Re-developmentability, users can modify different parts repeatedly, shorten the cycle of product modification, and reduce the corresponding investment in equipment.

Why can't ordinary rigid tools such as ordinary electric shafts, pneumatic shafts and so on be installed on robots to achieve polishing and polishing?

Because of the accuracy of the mould, there will always be the cast flash, parting line, tolerance of size and shape and position. If rigid tools are used to grind and polish, the robot's trajectory must be precisely controlled to fit the edge of the workpiece; Because the positioning accuracy of the robot is relatively high, if there are 1000 workpieces, there must be 1000 procedures to fit the shape of the workpiece, otherwise it will injure the workpiece itself or not remove the hair spur at all, which is impossible! This requires a special tool, the Compliant Force Control Tool!

Why are the high-end mainstream industrial-grade decaying shafts pneumatic?

(1) High-end force-controlled hair removal tools use air float to achieve force control, so whether the main drive uses air or not, there must be a gas source;

(2) The removal of thorns is generally relatively harsh, metal debris and flying edges are easy to cause damage to the cables, and some dust such as aluminum alloy is easy to carry the risk of explosion, so the pneumatics are simple, reliable and safe.

(3) The pneumatic heating is small, and can be operated 24 hours without overheating failure or even burning; At the same time, the speed can be conveniently adjusted by adjusting the air pressure, and the speed can also be automatically controlled if the automatic valve is used;

(4) Gas requirements: dry clean factory standard compressed air, the maximum pressure does not exceed 0.6mpa (6KG);

Classification of robot polishing tools

(1) According to the force control and whether the closed-loop control is divided into: Passive Compliance and Active Compliance

The active type is suitable for polishing and polishing complex curves;

The passive style is suitable for flat surface finishing and polishing!

(2) According to the mode of drive, it is divided into: gas drive and electric drive;

(3) According to the force control mechanism, the force control mode is: air float power control and spring (rubber) float; It should be explained that the high-end products of the de-thorned force control main axis are air-float power control gas drives, and only the low-end products use floating mechanisms such as spring rubber, which can not achieve force control effect at all and have a very limited service life!

Brief Introduction of Robot Force Control Tool for Qilide

Qilide provides complete force control power spindle solutions for automotive manufacturing, aerospace, power energy equipment, orthopedic medical, optoelectronics and 3C manufacturing fields:

1. The power of 100W-2KW air-driven air flotation power control robot to burr grinding spindle power head;

Features:

(1) The factory standard compressed air drives the blade motor and the following floating power control mechanism to achieve radial floating following or axial floating obey machining;

(2) Open loop control, simple, reliable and efficient;

(3) The main shaft can be automatically replaced by changing the gun disc, enabling multiple stages of machining; The main shaft can also be placed on a dedicated main shaft trellis, and the robot attaches the workpiece to achieve multiple stages of machining; A few tools can directly automatically replace the machining grinder, enabling unattended machining for a long period of time;

2. High precision closed-loop control active compliance polishing tool and servo spindle, consisting of "servo spindle + servo floating compensator for thermal expansion + control module + standard interface handle";

Features:

(1) It is composed of servomotor spindle + floating fairing compensator for thermal expansion + control module + BT;

(2) Axially or radially follow floating, and closed-loop control achieves high-precision grinding and polishing;

(3) The end of the tool and polishing abrasives using standard BT30 / BT40 tool handle interface to achieve automatic replacement (power spindle does not need to be replaced), to achieve multi-process and long-term unattended processing;

We are a leading provider of robot-powered polishing and polishing polishing tools; Our product features are as follows:

1, long service life: Qilide Tools force control flexible pneumatic deburring polishing spindle adopts efficient long-life vane motor; Based on the working principle of the blade motor, the motor has a long life and good durability, and the requirements for dust grain and dryness of the air source are relatively low. At the same time, if a failure occurs, it is convenient to repair it;

2, High efficiency: As the use time goes on, due to the working principle, the blade motor will automatically throw away to compensate for wear, so it is more efficient;

3, Made in Germany, good flexibility and sensitive power control: German precision machinery manufacturing technology is uniquely advanced worldwide, and Qilide Tools power control pneumatic polishing, polishing and polishing main axes are manufactured by German precision and originally imported, thus ensuring high quality and high performance of products; Elasticity is the most important non-quantitative indicator to measure the axis of force control and is the most critical influencing factor for achieving force control. Qilide Tools' force-controlled axis is very flexible and can sensitively and conveniently control the size of the flexible force by adjusting the air pressure. If you use an electromagnetic automatic valve to control the air pressure, you can automatically adjust the size of controlled grinding force; Of course, the drive motor can also adjust the speed power by adjusting the air pressure;

4, Easy maintenance, low cost, short cycle: Qilide Tools most of the force control flexible spindle can be realized in Shanghai maintenance, greatly saving the customer's maintenance costs and shorten the maintenance cycle;

5, Extensive tool types and full product line: Qilide Tools offers a comprehensive force-controlled tool scheme for robot hair removal, polishing and polishing, including hair removal and precision force-controlled polishing & polishing systems with positive feedback;

6, Experienced: Qilide Tools in the industry has a very rich experience in burr grinding polishing application (know how), which is our core competitiveness;

Therefore, from the whole product life cycle, Qilide Tools has a good cost performance; At the same time, our extensive experience can support you in winning projects and successful project implementation!



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