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Advantages of planetary

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

Compared with the transmission of cylindrical gear reducer, planetary gear reducer has many unique advantages. Its most remarkable characteristics are: when transmitting power, it can conduct power diversion; At the same time, the input shaft and the output shaft are coaxial, that is, the output shaft and the input shaft are set on the same main axis. Therefore, planetary gear reducer drive has been used to replace ordinary gear drive, and as a speed increaser and speed reducer in various mechanical transmission systems.

The main features of planetary gear reducer transmission are as follows.

1. Stable movement, strong resistance to impact and vibration. Because several planetary gears with the same structure are used and evenly distributed around the center wheel, the performance force of the planetary gear and the rotary arm can be balanced. At the same time, the coaxial reducer also increases the number of teeth involved in meshing, so the planetary gear transmission has stable movement, strong resistance to impact and vibration, and reliable operation.

2. The transmission ratio is large, which can realize the synthesis and decomposition of motion. As long as the type and gear matching scheme of planetary gear transmission are properly selected, a large transmission ratio can be obtained with a few gears. In the transmission of planetary gear reducer, which is only used to transmit motion, its transmission ratio can reach thousands. It should be pointed out that when the transmission ratio of planetary gear transmission is large, it can still maintain many advantages such as compact structure, small mass, small volume, etc. Moreover, it can also realize the synthesis and decomposition of motion and various complex movements with variable speeds.

3. The planetary gear reducer has small volume, small mass, compact structure and large bearing capacity. Because the planetary gear transmission has the power diversion, the central wheels form a coaxial transmission, and the rational application of internal meshing gear pairs, it can make its structure very compact. Moreover, because several planetary gears are evenly distributed around the center wheel to share the load, the load borne by each gear is smaller, and smaller modules are allowed for these gears. In addition, the coaxial reducer makes full use of the large internal meshing bearing capacity and the volume of the internal gear ring itself in structure, which is conducive to reducing its overall size, making it small in volume, small in mass, very compact in structure and large in bearing capacity. Generally, the overall dimensions and mass of planetary gear transmission are about 1/2~1/5 of that of ordinary gear transmission (i.e. under the same load conditions).

4. The high transmission efficiency of planetary gear reducer is due to the symmetry of the planetary gear transmission structure, that is, it has several evenly distributed planetary gears, so that the reaction forces acting on the center wheel and the rotary arm bearing can be balanced, which is conducive to improving the transmission efficiency. The efficiency value can reach 0.97~0.99 when the transmission type is properly selected and the structure layout is reasonable.

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

In the long-term operation of the reducer, wear, leakage and other failures often occur.

Ny tena lehibe dia:

1. The gear reducer bearing chamber is worn, including the housing bearing box, the housing bore bearing chamber, and the gearbox bearing chamber. The gear reducer is one of the main equipment of the enterprise. Once there is a fit clearance in the operation process, it will cause serious damage to the transmission shaft and transmission gear, resulting in a major shutdown accident, and the enterprise will suffer huge economic losses. Once the bearing chamber of the reducer is worn, the replacement cost of the components is high, and the manufacturing cycle is long. The general repair method is to disassemble, repair and weld the bearing chamber, machine the bearing chamber, or expand the hole and insert the steel sleeve, which is time-consuming, laborious, and expensive. In western countries, polymer composites are widely used to solve the wear problem of the reducer bearing chamber. Among them, the Meijiahua series has a good application effect, which has mechanical properties and good plasticity. Under the condition of ensuring the normal operation of the equipment, the repair time of the equipment is greatly shortened, creating huge economic value for enterprises. This kind of problem is generally difficult to be repaired by repair welding. The weldability of cast iron is poor and it is easy to cause more serious secondary damage to the parts during welding. The replacement cost is high and the time is long. The unique compressive strength, good plastic deformation and super strong machining performance of Meijiahua polymer composites show the characteristics of fast, convenient and durable when repairing such problems, saving enterprises a lot of valuable downtime, and enabling enterprises to learn a new set of repair and maintenance technologies. When encountering similar problems again, enterprises can solve them independently at the first time.

2. The gear shaft diameter of the reducer is worn, and the main worn parts are the shaft head, keyway, etc

3. The bearing position of the transmission shaft of the reducer is worn.

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

4. For the wear problem, the traditional solution of the enterprise is repair welding or machining repair after brush plating, but both of them have certain disadvantages: the thermal stress caused by the high temperature of repair welding cannot be completely eliminated, which is easy to cause material damage, leading to bending or fracture of parts; However, brush plating is subject to the coating thickness, which is easy to peel off, and the above two methods are both metal repair methods, which cannot change the "hard to hard" coordination relationship, and will still cause re wear under the combined effect of various forces. For some large bearing enterprises, it is impossible to solve the problem on the spot, and most of them rely on outsourcing repair. In contemporary western countries, polymer composite repair methods are often used to solve the above problems, while Meijiahua technology products are widely used, which have super adhesion, excellent compressive strength and other comprehensive properties. The application of polymer materials for repair can avoid disassembly and machining, and the repair thickness is not limited. At the same time, the metal materials of the product do not have the concession, which can absorb the impact and vibration of the equipment, avoid the possibility of re wear, and greatly extend the service life of equipment components, saving a lot of downtime for enterprises and creating huge economic value. For the leakage problem, the traditional method needs to remove and open the reducer, replace the sealing gasket or apply sealant, which is not only time-consuming and laborious, but also difficult to ensure the sealing effect, and leakage will occur again in operation. Meijiahua polymer materials can be used to control leakage on site. With superior adhesion, oil resistance and 350% elongation, the materials can overcome the impact of reducer vibration and solve the problem of reducer leakage for enterprises.

<a>Cycloidal pin gear reducer</a>is applicable to 24-hour continuous working system and allows forward and reverse operation.

2. The rotation direction of the output shaft of the single-stage cycloidal pin gear reducer is opposite to that of the input shaft, and the rotation direction of the output shaft of the two-stage cycloidal pin gear reducer is the same as that of the input shaft.

3. Cycloidal pin gear reducer has no self-locking effect.

4. The output shaft of cycloidal pin gear reducer cannot bear axial force.

5. Overload protection device shall be installed in the application occasions where overload may occur.

6. The foot plate type horizontal cycloidal pin wheel reducer shall be installed on a very solid horizontal foundation without vibration. When it is necessary to install the reducer obliquely

7. When installing the flange type vertical cycloidal pin gear reducer, the output shaft is vertically downward.

8. If special installation forms other than foot plate horizontal installation and flange vertical installation are required, corresponding lubrication and sealing measures must be taken to ensure the lubrication of the reducer

Sufficient sliding and oil leakage prevention.

9. The installation angle of the cycloidal pin gear reducer lubricated with grease is free.

10. During the installation of the reducer, cushion blocks can be used for adjustment. The cushion blocks shall not exceed three in the height direction, and wedges can also be used for adjustment. However, flat cushion blocks must be replaced after deceleration calibration.

11. In case of large impact, vibration or frequent starting, the base and foundation shall be connected with anchor bolts, and shall be reinforced with locating pins (self provided).

12. The input shaft and output shaft of the standard cycloidal pin gear reducer are cylindrical and connected by common flat keys. Shaft diameter dimension tolerance root h6. The size of ordinary flat keys shall comply with GB1096-79 Types and Dimensions of Ordinary Flat Keys. The joint of connecting flange shall be matched according to (h9) of GB1801-79.

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

13. When a coupling is used to connect the cycloidal pin gear reducer with the matching machinery, it is recommended to use an elastic coupling.

14. When the reducer is connected with the coupling of the machine to be matched, the concentricity of the two axes shall not exceed the allowable range of the coupling.

15. When the cycloidal pin gear reducer is connected with the gear and sprocket, the parallelism of their axes must be ensured.

16. When the sprocket is used for transmission, do not loosen the gear chain too much, or impact force will be generated when starting.

17. When coupling, gear, chain wheel and other connecting pieces are connected to the output shaft of cycloidal pin gear reducer, direct hammering is not allowed. The bolt shall be screwed in through the screw hole at the shaft extension end and pressed through the pressing plate.

18. After installation, the reducer must be put into trial operation before formal use. When the no-load operation is normal, gradually load and operate.

Features of DSZR series helical gear motor:

1. Highly modular design: various types of motors or other power inputs can be conveniently used. The same type of machine can be equipped with multiple power motors. It is easy to realize combination and connection between various models.

2. Transmission ratio: fine division and wide range. The combined model can form a large transmission ratio, that is, the output speed is extremely low.

3. Installation type: unlimited installation position.  

4. High strength and small volume: the box is made of high-strength cast iron. Gear and gear shaft adopt gas carburizing, quenching and fine grinding technology, so the bearing capacity per unit volume is high.  

 5. Long service life: under the conditions of correct model selection (including selection of appropriate service factor) and normal use and maintenance, the service life of main parts of the reducer motor (except vulnerable parts) is generally not less than 20000 hours. Wearing parts include lubricating oil, oil seal and bearing.

6. Low noise: the main parts of the reducer have been precision machined, carefully assembled and tested, so the noise of the reducer is low.

7. It can bear large radial load.

2、 Installation, Use and Maintenance of DSZR Series Gear Reducer

3、 Structure of DSZR series helical gear reducer motor:

DSZR type: foot mounted DSZRF type: flange mounted

DSZRX type: foot mounted single-stage reducer DSZRXF type: flange mounted single-stage reducer

DSZR.. Type: The combination of the two models can form a large transmission ratio, and can also be combined with R series reducer, DSZK series reducer, DSZS series reducer, DSZF series reducer.

Ny tombony amin'ny reducer gear planeta sy ny reducer cylindrical mahazatra

Topimaso momba ny vokatra:

1. SWL series turbine lead screw elevator is a basic lifting component, which has many advantages such as compact structure, small volume, light weight, no noise, safety and convenience, flexible use, high reliability, extensive power sources, multiple supporting functions, long service life, etc. It can be used individually or in combination, and can accurately control and adjust the lifting or pushing height according to certain procedures. It can be directly driven by motor or other power, or it can be manually driven.

2. In order to improve the efficiency and bearing capacity of the lead screw elevator, special and advanced technologies have been developed to improve the comprehensive performance of the elevator to meet the requirements of customers.

3. SWL lead screw elevator has many functions, such as lifting, lowering, propelling, overturning with the aid of auxiliary parts, and various height and position adjustment. It is widely used in machinery, metallurgy, construction, water conservancy, chemical, medical, sports and other industries.

4. The lead screw elevators have different structural types and assembly types, and the lifting height can be customized according to the user's requirements.

Note: SWL wheel lead screw elevator has self-locking function at large speed ratio, but when subjected to large vibration and impact load, the self-locking function may become invalid. At this time, please add a brake device or equip a brake motor to prevent objects from falling.

Fitsipika ara-teknika:

1. Structural type: Type 1 - the screw rod moves axially; Type 2 - The screw rod rotates and the nut moves axially.

2. Assembly type: Type A - screw rod/or nut moves upward; Type B - screw rod/or nut moves downward

3. Type of screw head: Type 1: Type I (cylindrical type), Type II (flange type), Type III (threaded type), Type IV (flat head type)

Screw head of type 2 structure: type I (cylindrical type), type III (threaded type)

4. Transmission ratio: normal speed ratio (P), slow speed ratio (M), and medium speed ratio (F) can be customized according to user requirements

5. Lifting bearing capacity: 1kN, 2.5kN, 5kN, 10kN, 15kN, 20kN, 25kN, 35kN, 50kN, 100kN, 120kN

6. Protection of screw rod: type 1 structure: basic type (without protection), anti rotation transition (F), with protective cover (Z), anti rotation cover (FZ) Type 2 structure: basic type (without protection)

7. Protection of screw rod: type 1 structure: basic type (without protection), anti rotation transition (F), with protective cover (Z), anti rotation cover (FZ) Type 2 structure: basic type (without protection).

 

 

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