Cycloid reducer principles, characteristics use of

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Introduction of a cycloid reducer:
       Cycloid gear reducer can be divided into three parts: input part of the deceleration part of the output section. Input shaft equipped with a dislocation 180 ° double eccentric, the eccentric sleeve is equipped with two roller bearings, known as the tumbler and the formation of H institutions, two cycloid round center hole is eccentric to put the tumbler bearing the raceway by the needle of a group arranged in a circle on the cycloidal gear and pin gear teeth meshing to form teeth difference within a tooth meshing reduction mechanism, (in order to reduce friction, the speed ratio is small reducer with needle teeth needle teeth sets). When the input shaft with eccentric sleeve for a week, due to the gear cycloidal gear tooth profile of the characteristics of the needle, needle teeth is limited by the movement of cycloidal gear plane motion of both revolution and rotation, the input axis transfected weeks, the eccentric sleeve rotates one cycloidal gear around a tooth in order to get the deceleration in the opposite direction, and then with W output mechanism, the low-speed rotation of the cycloidal gear to pass pin to the output shaft. lower output speed.
Second, the cycloid reducer machine features:
       A high speed ratio and high efficiency single-stage transmission can reach one eighty-seven deceleration, more than 90% efficiency, multi-level transmission reduction ratio greater.
2, compact structure, small size, due to the planetary transmission principle, the input shaft and output shaft in the same center line, which makes the model to obtain the smallest possible size.
3, running smooth and low noise cycloidal-pin gear engagement number, overlap coefficient and has a balancing mechanism, so that the vibration and noise restricted to a minimum.
4, the use of reliable, long life due to the main parts of high carbon chromium steel, the quenching process (to HRC58 ~ 62) to obtain high strength and part of the driving touch adopts rolling friction, so durable and long life.
        5, reasonable design, easy maintenance, break down easily installed, a minimum number of parts and simple lubrication, cycloid reducer trusted by the user.
Third, the cycloid reducer Model:
 1, B series cycloid pin wheel reducer
BW foot standard horizontal biaxial cycloid reducer
BL flange and vertical axis cycloidal-pin wheel speed machine
The BWY end of feet lying installed a dedicated motor direct-coupled cycloid reducer
BLY flange and vertical dedicated motor direct-coupled cycloid reducer
The BWD foot standard horizontal ordinary motor direct-coupled cycloid reducer
BLD flange and vertical common motor direct-coupled cycloid reducer
 2, X series cycloid reducer
XW footing standard horizontal biaxial cycloid reducer
XL flange and vertical biaxial cycloid reducer
The XWD foot standard horizontal ordinary motor direct-coupled cycloid reducer
The XLD flange and vertical common motor direct-coupled cycloid reducer
The XWD foot standard horizontal ordinary motor direct-coupled cycloid reducer
XLY flange and vertical dedicated motor direct-coupled cycloid reducer
Fourth, cycloid reducer use:
   Cycloid reducer in accordance with the principle of planetary drive with small teeth difference cycloid pin gear engagement to achieve a mechanical deceleration. The aircraft sub-horizontal, vertical, dual-axis type and direct connection type assembly, the preferred equipment for metallurgy, mining, construction, chemical, textile, light industry and other industries.
5, cycloid reducer main features:
   1, the reduction ratio of large, high-efficiency: a drive gear ratio is 9 ~ 87, the two-stage reduction gear ratio, multi-level combination of up to tens of thousands of 121 ~ 5133, and the needle meshing Department of nested rolling friction, mesh surface relative sliding, so the efficiency of a deceleration of 94%.
   Smooth operation, low noise: in operation at the same time contact with the teeth on the number of coincidence degree, smooth operation, strong overload capacity, low vibration and noise, noise of a variety of models.
   3, the use of reliable, long life: because of the main parts is the use of high-carbon alloy steel quenching treatment (HRC58-62), and then grinding from cycloidal gear and pin sets of teeth meshing pass needle teeth formed rolling friction to pay, friction coefficient is small, so that the engagement without relative sliding, wear a very small, so durable.
   4, compact structure, small size: compared with the same power reducer, weight, small size, more than 1/3, the planetary transmission input shaft and output shaft on the same axis, in order to obtain the smallest possible size.

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Forklift safety technology operating processes

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Driving before checking
(1) provides that the project, the standard to check their vehicles ministries situation, to make 11 good condition.
(2) traffic should be checked before the vehicle driving permit, driving license, driving a variety of documents must strictly prohibited lack of permit, a small card, driving without a license.
Travel
(3) factory forklift driver in moving the factory traffic safety management standards and safety codes of conduct must be strictly observed.
(4) was observed before the forklift around the situation, (pressure or brake the vehicle, the brake pressure gauge readings to reach the required value before starting) to confirm the safety whistle start.
(5) the bottom of the fork factory forklift driving distance to height should be maintained between 300 and 400 mm, the door frame to be backward.
(6) Forklift at run time, not allow anyone to get on and off the fork legs is strictly prohibited to stand on.
(7) factory plug the car in motion shall not fork rose too high. Out of the job site or driving on the way, pay attention to the over whether the obstacles scratch hit. Braking and sharp turns are prohibited.
(8) factory forklift work, the ups and downs must be smooth, if necessary, shall be with a rope, tether seal firmly. The load curve of the car must be in strict accordance with the provisions of the values ​​fork cargo, Do not overload.
(9) factory forklift loading traveling more than 7 and with the speed higher than a file on the downhill, special circumstances may not use the foot brake.
(10) factory forklift parking prohibited goods hanging in the air, the discharge should drop after traveling gantry.
(11) factory forklift fork contents, the weight of the goods should be shared equally in the two forks, the goods shall not be skewed side of items should be affixed by the backrest. Small pieces of cargo should be placed in the physical property box (board), to prevent falling. Plug the car contained in items shall not obstruct the driver line of sight.
(12) goods handling process, you must brake forklift. If the crane loading and unloading of the workpiece, the driver must leave the cab.
(13) Fork close to or withdrawal of items, the speed should be slow and steady, note that the wheels do not RCC items, skids (pallets) and fork not scratching items to support personnel.
(14) in the plant and the construction site, the speed should be no more than 10 km, and out of the factory gate, workshops, warehouses and construction site, the speed should be no more than three km. Observe, to prevent the forklift traveled scratch hit, wounding.
(15) factory plug the car in the fork lift when lifting frame and the ground forward, not to the lifting of the aircraft forward.
(16) factory forklift lifting when lifting or moving to prohibit any person standing on the forks on the control object or from the balancing effect. Forklift fork material lift, cargo ban was in the vicinity.
(17) is with lifting personnel engaged in work at heights prohibit the operations of the single fork or fork top of things, pull things, prohibit the slide release brake inertia, round or roll goods, prohibited Fork Fork, etc. is strictly prohibited Tiaofan pallets discharge. High-speed fork take the items is prohibited.
(18) are not allowed at the pier the shore directly fork shipment of goods and are not allowed to directly in the edge of the train cars cross loaded items.
(19) forklift truck stop engine idling, the door frame backward. When the engine flameout parking should be lifting the carriage down, the fork is placed horizontally on the ground.
(20 plants in the factory, workshop and construction site parking, drivers are not allowed away from the car, For temporarily left the key, you must unplug, pull down the gates.
Received vehicle after maintenance
(21) maintenance vehicles, should shift lever in neutral, brake cover round and support the top bear weight carriage and other protective measures.
(22) clean forklift and lifting carriage; fastening screws; check the supplemental fuel, lubricants, etc.
Battery forklift shall comply with the relevant safety technical operation, but also to comply with the relevant safety technical operation of the battery car.

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Note six of longer life energy saving lamps

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This company is a professional lighting photoelectric total solutions agency, today we talk about the use of energy-saving lamps precautions, pay attention

to these things energy-saving lamp life can be significantly enhanced.
A larger inductive load is easy to damage the energy-saving lamps
Inductive load in the startup and shutdown will produce a very high moment of impulse voltage, when the lights its the same power line, an instant on-

kilovolt voltage is applied to the lamp may cause damage, the light should stay away from large inductive loads. Large inductive load of the motor in the

welding machine or lift, factory production machinery, blowers and other equipment. The building is being renovated, due to the inductive load more easily

damaged, energy-saving lamps.

A single switch to control the number of lights too easily damage the energy-saving lamps
Switches control the lights too much, when the switch on and off will produce a very large impact, this impact is very easy to damage the energy-saving

lamps. Each switch control to the light power of about 500W.

3 more sealed lamp is easy to damage the energy-saving lamps
When the lights work in a sealed lamps, the lamps within the temperature is increased due to their inability good cooling electronic components due to their

inability to withstand high temperatures for a long time and burn. For example, when a small 3U lamp in a 3-inch downlight, downlights temperature more than

70 ° C; 12U180W light 19-inch shade, the lamp housing temperature can exceed 90 ℃. Therefore, the lights with 130W more than the shade should be required

to increase the cooling holes.

4. Low and high operating voltage easy to damage the energy-saving lamps
Energy-saving lamps ** operating voltage is 190-240V, over this voltage range lights will not work properly, 0-190V low voltage segment will lead to light

the difficulty in starting or even burn; high-pressure segment of more than 240V will cause the lamp power increases, electronic components due to heat and

burn. Dimming lighting dimmers usually adjust the operating voltage from 0V to 240V. Therefore, energy-saving lamps can not be used as the dimming light.

5 Water or humid environment is easy to damage the energy-saving lamps
Energy-saving lamps for water or humid environment around the lamp and the internal will be water or water vapor, one can cause the lamp to rust and poor

contact; cause components and cause the circuit board rust damage; will cause the insulation capability of the components and circuit boards reduced

breakdown; will cause a short circuit.

(6) chemical etching gas, the liquid occasions easy to damage the energy-saving lamps
Chemical etching gases, liquids exist occasions, can cause the lamp, the guide wire, the components of severely oxidized, lamp life can not be guaranteed.

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Rotor spinning yarn a lot of R D success

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Rotor spinning pure cotton yarn mainly in the mid-1970s to the spinning 97.2tex (6 sticks), 83.3tex (7 pieces), individual manufacturers have a small amount of, spinning 36.4tex (16 sticks), then that is extra fine (small) yarn. Since the late 1970s to the mid-1980s, has successfully developed a rotor spinning, chemical fiber, wool, hemp, and the blended yarn. Rotor spinning can only digest the waste, only suitable for spinning coarse prejudice of the special yarn was able to change this time the textiles sector. Until later some manufacturers to develop a low twist yarn, 18.2tex (32 sticks) knitting yarn, cotton slub yarn, S-twist yarn, of grapefruit filament yarn, currently has developed many new cored rotor yarn yarn kinds. As the new yarn continuously developed successful, coupled with the rotor spun yarn uses continue to broaden, rotor spinning cause the textile sector the attention of investors, this for its development laid the foundation.

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Rotor spinning adaptability to the production environments

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Rotor spinning production workshop environment and conditions such as temperature, relative humidity than the ring production plant to be relatively low. At temperatures below 15 ° C, relative humidity below 50% or higher than 80% when the rotor spinning still normal production; ring-spun roving, yarn shop, in this temperature and humidity environment, can not be normal production the. Rotor spinning 23 processes less than the ring production process, production management, flour milling equipmentmanagement and maintenance projects is relatively small and easier, it is very suitable for township enterprises and individual investors to invest.

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Reduce ancillary equipment investments

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As the rotor spinning process short, processes, and the corresponding ancillary maintenance work should be less. Such as: the process of ring-spun yarn mill rubber roller, wear apron, school spindle, grinding ring, the cradle and auxiliary processes and auxiliary flour milling equipment repair, rotor spinning, does not have this need. So in terms of investment in equipment, rotor spinning than ring spinning is much less. Rotor spinning production workshop in insulation performance, air conditioning and ventilation requirements are relatively low, its infrastructure projects than ring-spun cotton mill also much less. Therefore, the rotor spinning plant is an investment and profit, the investment recovery period is short of investment projects.

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Make full use of raw cotton to reduce production cost

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In recent years, the shortage of domestic raw cotton, resulting in a sharp rise of cotton. Therefore, cotton mills in every possible way to improve the utilization of raw cotton, to reduce production costs, increase profits. Because of the turn spinning digestion, the use of some low-level flower and back to the cotton, crude special yarn spun and expertise spinning. So that raw cotton, while being fully utilized, but also reduces production costs, improve the economic efficiency of enterprises.

For the above reasons, the formation of the investment boom of the wave rotor spinning. The single rotor spinning factory in the majority of our towns, and even remote villages have been dotted. The smaller two or three rotor spinning corn milling machine, the larger the rotor spinning factory has a 10-20 rotor spinning machine is not uncommon, the largest has more than 200 rotor spinning machine . Under construction, expansion, and also many of preparation as well as brewing to build rotor spinning mills. It can be foreseen that the development of China s rotor spinning will be showing a thriving happy situation.

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2009 2011 PET beverage bottle industry brewing huge business opportunities

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 Environment of global economic recession, China s food and beverage plastic tumbler set packaging industry will no doubt be a cold winter, but the ability to keep out the cold of the PET bottle industry is expected to be stronger than other plastic packaging industry. This is mainly the Chinese beverage market in recent years, especially

Juice and tea beverage market is growing very rapidly. PET sports drink bottles as the most mainstream of the beverage packaging materials will also benefit from this. In addition, with the continuous improvement of technology development and customer acceptance, the market of PET beer bottles and the white bottle will also be the rapid development of

.
    In addition, a higher concentration of the PET bottle industry, the top three companies accounted for about 80% market share, and they have the advanced production technology in the industry and strong financial strength, in addition, their customers are mostly Coca-Cola, one hundred

Things cola like the large global companies. Therefore, the economic crisis on the entire PET bottle industry is relatively small.

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Overview of the developments of the rotor spinning machine spinning

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Since the rotor spinning since the 1970s, large-scale industrial production, in just four or five decades, whether it is the spinning machine itself or the spinning process of innovation are very significant. Improvement and innovation in rotor spinning the most critical parts – spinning device is stunning. Sliver from feeding until it is spun into yarn by the spinning device completed, so the yarn quality is good or bad, the level of production efficiency are closely linked with the spinning quality of the work.

The development of the rotor spinning machine spinning and other machinery and equipment development process, its structure is also simple to complex, its role from a single variety of functions by the imperfect to perfect, even to today reached an intelligent level. The initial spinning for the lack of damping device, trash effect the cooling performance is also poor, and thus the rotor speed is low, only 30000-40000r/min. Originally mounted on the rotor spinning machine, BD200R type spinning device shown in Figure 1-2. Transmission of the rotor spinning machine and process adjustment are achieved by reversing gear, this type of rotor spinning machine, later called the first generation of rotor spinning spinning corn milling machine.

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Production efficiency

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As the first generation of rotor spinning machine, the rotor speed is slow, thus affecting the productivity and cotton yarn production; also affects the quality of the cotton yarn spinning trash, so the impurities on the gauze. Late 1970s, the the Czech Elitex company on the basis of the original yarn to increase the damping device and trash, the thermal performance has greatly improved, the rotor speed has been increased to 60000r/min This not only improves the production of rotor spinning and improve the quality, such as assembly of the RC-type spinning device on the RC-type rotor spinning machine. In the early 1980s, spinning improvement as the most widely used in China, the most popular CE type II spinning device, shown in Figure 1-3. In the spinning process, the adjustment of various process parameters can be accessed through the stepless speed regulation, and through the computer screen display, which is later known as the second generation of the rotor spinning machine, such as BD200RN type, BD200SN-type rotor spinning machine.

Although, the performance of the rotor spinning machine, BD200SN type and CE type Ⅱ spinning device has more mature and perfect production practice, the rotor spinning machine and spinning device has been updated, higher requirements. As for appropriate long-spun fiber raw materials, enhance the effect of trash, the spinning opening roller and carding the diameter of the cavity to increase, a corresponding increase in the trash mouth, widening the trash area; also gauze breakage detection device reed switch (reed pipe) to the more sensitive, more reliable optical probe or sensing devices. With the rotor speed increased by (60000r/min more than) hand fitting or connector rod joint can no longer meet the needs of the spinning connector, so a semi-automatic connector used in the production practice. The mid-1980s, on the basis of the CE type II spinning, the development of the CU assembly in the BT903-type BT905-type rotor spinning machine, spinning device, shown in Figure 1-4. Nevertheless, on the CU-type spinning device is still the second-generation rotor spinning machine, spinning device.

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