As a power transmission gear mechanism, the gear reducer drive by the speed converter, turn the motor speed decelerated to a desired number of rotations and obtain a larger torque at the same time.
According to one Industry Market Research Center, the most industries which is using gear drives are: electrical machinery, metallurgical machinery, environmental protection machinery, electronic appliances, road construction machinery, chemical machinery, food machinery, light machinery, mining machinery, transportation machinery, construction machinery, building materials machinery, cement machinery, rubber machinery, hydraulic machinery, petroleum machinery, etc. and all these industries accounted for 60% to 70% of all.

With the rapid development in recent years, the domestic economy, the heavy machinery industry exports increased, as an important basis for the development of the industry reducer industry extraordinarily rapid. Reducers Enterprise is toward the expansion of production scale, processing capacity and technology continued to improve development. Reducer future market prospects for the industry will be bright
In the heavy machinery market demand increase, the industry is also product upgrades, integration of the two aspects of energy conservation fruitful work. The upgrading of products, years of the same old product in accelerating the pace of technological update. Gantry crane industry enterprises to adopt a joint or independent way of development, we have the old product innovation, product upgrades of the formation of the industry boom. Beijing Materials Handling Research Institute jointly carried out many enterprises bridge crane series lightweight work, now made progress. Industry actively introduce Frequency transmission technology, remote control and information technology, accelerate the upgrading of products to high-end technology. Industry development crane gearless variable frequency drives began to test the water main lifting device in the market.

International market demand for heavy machinery and equipment and spare parts will also increase. With the gradual recovery of the national economy in Europe and America, to re-establish the status of the real economy in the national economy, and infrastructure needs of developing countries, heavy machinery will be more room for development in the international market.

TH-type bucket elevator chain type Product Overview:
TH series bucket elevator is a commonly used lifting equipment, the series bucket elevator chain forged as part of the drive, with strong mechanical strength, mainly used to hoist the powder and small particles and small bulk materials , different from the TD-belt bucket elevator, lift its larger, more efficient operation. Its often used to enhance a large proportion of the material. Widely used in metallurgical, chemical, building materials, mining, oil, food, feed, plastics, pharmaceutical and other industries.

Two, TH-type bucket elevator chain basic structure:
The machine is equipped with two kinds of hoppers: ZH-type (deep bucket) are generally used to transport wet, easy caking, throw harder materials, such as wet sand, sand, fertilizer, base fertilizer base powder. SH-type (deep bucket) are generally used to transport dry, easy to throw loose materials, such as cement, gravel, coal and so on. This machine is gearing has two forms, each equipped with ZJ reducer and ZQ reducer. ZJ-type shaft-mounted reducer directly sets the spindle axis head, eliminating the transmission platform, coupling, so that the compact, lightweight, and with internal shaped roll backstop, backstop and reliable, the noise reducer low, stable operation, and with the spindle floating installation can eliminate stress. TH-type bucket elevator maximum throughput 365m3 / h, maximum lifting height of 50m.

Three, TH-type chain bucket elevator main characteristics:
Transport volume, compared with the same bucket width HL type, transmission type increases the amount of TH nearly doubled. Adopted assembled sprocket. There are wheel rim connection is made with high strength bolts. Sprocket wear to a certain extent, you can unscrew the bolt, removable rim, easy to replace, saving and demolition materials, reducing maintenance costs. The lower part of the lever-type tensioning device weight, you can achieve automatic tensioning. After the first installation without adjustment, and can maintain a constant tension, thus ensuring the normal operation of the machine, to avoid slipping or off the chain. Traction member of HSLA park chain, after appropriate heat treatment, with high tensile strength and abrasion resistance, long service life.

The gearbox and gear reducers are used in bucket elevator is mainly of cycloidal gear motors, helical hevel industrial gearboxes and DCY China gearboxes.

1. cycloidal pin-wheel gear motors

Developed by the Guomao Group, who has complete independent intellectual property rights of a GMLX60-02 vertical mill gear reducer, is in the completion of the assembly. After testing, its performance targets are met or exceeded design requirements.
With weight 17.5 tons, an input power of 600 kilowatts of this vertical mill gear speed reducer, there is another notable feature is the use of lower bearing disc rolling friction. According to the test results, compared with the use of sliding friction, the mechanical efficiency is significantly increased by 10%. Successful production of such reducer, indicating GUOMAO series gear speed reducer has a big achievement. which will provide a strong new impetus to the development of Guomao Reducer Group for a higher grade.

According to Guomao's technical experts engineer Zhang, this vertical mill gearbox, completely relying on the company's existing resources, the full integration of modern design and manufacture of the latest achievements, equipped with the world's most advanced hydraulic and lubrication technology, as well as multiple security , fully automated measurement and control technology - mechanical, electrical, fluid integration and operation of real-time security control security systems, to ensure that the large hydrostatic bearings and gears of reliable operation.

Today , a new rolling mill dedicated reducer has successfully delivered to Xi,an and acceptance by customer.

Since this reducer is used in a particular copper rolling equipment, design requirements, manufacturing heavy task, delivering a tight schedule , so to be able to schedule the completion of the quality and quantity of these orders, then , despite the holiday break, but the technical department and manufacture four , six, seven soldiers who are still meditative focus , overtime, work together . Finally successfully provide this excellence result.

On 27th-29th October 2014, organized by the Chinese Mechanical Engineering Society, Chinese Society of Automotive Engineers of China General Machine Components Industry Association, China Machinery Manufacturing Technology Association, China General Machine Components Industry Association gears Branch (CGMA), Zhengzhou Machinery Research Institute, Hangzhou advance Gearbox Group Co., Ltd., and other contractors, China international industry Conference will be held in Shanghai Everbright international Hotel. More than 300 downstream industries gear experts and entrepreneurs from home and abroad, will gather to make the gear industry development plan. To enhance the overall development of new technologies and new products, the organizing committee decide to held "2015 Shanghai international Gear and Equipment Exhibition" on 19-21 May 2015 at the Shanghai New International Expo Center.

Ranges of displaying on the IGTE

◆ Gear production and processing equipment area: measuring instruments, gear pair and worm gear tester, universal measuring tools, coordinate measuring instrument, projectors, tools and measuring instruments, universal tool CNC hobbing machine, slotting machine, CNC milling machine, CNC honing machines, CNC gear chamfering machine, CNC machine crowded teeth, six small module horizontal axis CNC hobbing, gear grinding machines, CNC gear and spline cold forming machines, gear cutting machines, cutter, cutting knife, chamfering knife , cutter, hob, hobs, shaper cutters, shaving cutters, drills, punching knife;

◆ Gear Zone: heavy duty gear, high speed gears, precision gears, cylindrical gears, spur gears, helical gears, herringbone gears, curve gears, bevel gears, non-circular gears, rack, worm, plastic gear, external gear, internal gear, alveolar, addendum circle, root circle, base circle, pitch circle casting gear, gear cutting, rolling gear, sintered gears;

◆ Drive area: cars, motorcycles, machine tools, mining machinery, engines, railways, aviation, military, marine, powers, pump, high-speed gearing gears, gear boxes, power transmissions, gear reducers, planetary gear reducers, harmonic gear speed reducer, small module gearbox.

The 16th 2015 China International Machinery Industry Exhibition will be held in Ningbo international exhibition center on March 19, 2015. Ningbo application of industrial robots BBS. and participants will be from China, the United States, Germany, Switzerland, Japan and other 14 countries and regions, more than 400 exhibitors. 

Selection of general speed reducer includes condition, select the type, determine the specifications and other steps.
In contrast, the type selection is more simple, while providing accurate reducer working conditions, master reducer design, manufacture and use of key common feature is a reasonable choice reducer correct specifications. Specifications choose strength, thermal equilibrium, the shaft extension portion radial load and other conditions to be met.

1. Selecting by mechanical power or torque (strength checking)
The biggest difference is GM reducer and special reducer design selection process is that the former applies to all sectors, but the deceleration only by a particular design of working conditions, so users need to consider the selection of different correction coefficients according to individual requirements plant selection should be based on the actual motor power (not the gear unit rated power) play nameplate; the latter according to the user's special conditions designed to consider factors that, the design has been made generally considered, as long as the selection using a power less than or equal reduction The power rating can be, the method is relatively simple.
2. the heat power balance checking
Universal reducer allowable thermal power values are (under normal ambient temperature of 20 ℃, per hour, 100%, continuous operation, the power efficiency of 100%), the maximum allowed by the lubricant equilibrium temperature (usually 85 specific working conditions ℃) determined. The condition is not at the same time pressing the corresponding coefficient (sometimes integrated into a coefficient) be amended.
3. Checking shaft extension portion bear radial load
Universal reducer often required to input shaft, an output shaft extending middle part withstand the maximum allowed radial load to be limiting and should be checked, the manufacturer shall propose bold and increase the bearing shaft diameter exceeds requirements.

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We are exporting Power Transmission equipments to the worldwide market and responsible for the after-sales service as well.

NER GROUP has possessed a system of the whole technical force including R&D, designing and manufacturing and advanced testing methods of non-standard reducers. It has produced the complete of reducers with more than ten series and hundred varieties, including B, X series cycloid speed-reducers, ZDY, ZLY, ZSY, ZFY series cylindrical gearbox, ZLYJ, ZSYJ model gear reducer specially for plastic extruding machine, DBY and DCY series bevel and cylindrical speed-reducers, GR serial helical gear reduction motor, GS succession helical worm geared motor, GK succession helical bevel geared motors, GF serial parallel helical geared motor, PV serial general gear-box, MBY and JDX edge-driven gear box, GMC model compact universal reducer, NMRV worm drive,GM helical gear-units and three phase motor electrico etc. We can also provide special purpose. The products have serialized and modularized advantages, and have been widely used in the transmission and driving fields for all types of industries. Such as food hollow shaft conveyor motor with worm gear reducer, packing, bear, beverage, environmental protection, metallurgy, storage transportation, crane, conveyer, tobacco light industry, solid packing, rubber plastic industry and so on.
NER Group has been early in conformity with three management systems including ISO9001:2000 Quality Standardization, ISO14001:2004 Environmental System and OHSAS18001:1999 Health and Safety Standardization, and was rated as Outstanding Organization of control Certification 2009” by China Certification Center for Quality Mark.

With the most advanced domestic-made and imported equipments and testing instruments, including Niles gear form grinding machine imported from German, OKUMA horizontal machining center imported from Japan, gear inspection and test center and three-coordinate measuring machine. The Group has greatly satisfied needs of customers with its sophisticated equipments, advanced Operation Principle, perfect quality management system and high-quality staff members, as well as network service with over 90 branches in cities throughout the country.