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You are here: Home / Archives for Gear & Gearboxes

Gear & Gearboxes

Gear & Gearboxes

January 26, 2023 By Sen Liang Leave a Comment

Spiral Bevel Gear

Spiral Bevel Gear
Spiral Bevel Gear

Spiral bevel gear is a common part of mechanical transmission, but also an indispensable part of mechanical equipment, relatively difficult and complex process manufacturing, so we use advanced alloy steel 18CrNiMo7-6, more robust and durable, so that its precision level reached DIN3965 5-10.

Spiral bevel gear as the most important part of the transmission device, its quality and performance has been a point of great concern to people, for the traditional spiral umbrella design, with large noise, low efficiency, short life and many other problems, often affect the normal use of mechanical equipment. In view of this situation, the materials used and the design process of the gear have been greatly improved. Our spiral bevel gear adopts high grade alloy steel materials and manufacturing process, so that the transmission efficiency, noise control, service life and other aspects have been greatly changed, but also improve the performance of mechanical equipment and operation stability, for the user with a better experience.

Although Spiral bevel gears are widely used in mechanical equipment, due to high transmission efficiency, transmission stability, good carrying capacity and compact design structure, the equipment is more efficient during operation, and it also has a large savings in energy and space. This is also very high requirements for the manufacturing process, and it is very complex, but the precision of the product is also very high. The requirements for the manufacturing process are also very high and complex, with the following steps:

Design: Before processing, to determine the module of the gear, the number of gear, gear shape, pressure Angle parameters, etc., but also consider the functional requirements of the gear, transmission ratio, working environment and other factors.
Roughing: The first gear roughing, including turning, milling and other processes. At this stage, the shape of the gear is mainly processed into a preliminary shape.
Heat treatment: Heat treatment of the gear after rough machining, usually including quenching and tempering. Heat treatment can increase the hardness and strength of gear and improve its mechanical properties.
Precision machining: After heat treatment, precision machining of the gear, including grinding, hobbing and other processes. This step improves the precision and surface quality of the gear.
Detection and quality control: After the spiral bevel gear is processed, strict detection and quality control should be carried out. This includes checking the size, profile, surface quality, etc. of the gears to ensure that they meet design standards and customer requirements.

Spiral bevel gear manufacturing is more complex, so the need for precision equipment and technology, suitable processing methods and strict quality control, in order to produce high-quality gear to meet the real needs of customers.

In conclusion, choosing spiral bevel gear, quality is necessary, but also consider its performance, which will affect transmission efficiency and stability, carrying capacity, service life, SMI has nearly 30 years of customized processing experience, if you are interested, welcome to contact our professional team here.

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Filed Under: Design, Research & Development, Gear & Gearboxes, Machined Parts & Custom Castings, Planetary reducer and herring bone gearboxes

January 7, 2023 By Coffy Leave a Comment

Slewing Bearings

Slewing Bearings
Slewing Bearings

Slewing support bearings consist of an inner ring and an outer ring, one of which usually contains a gear. Together with the connecting holes in the two rings, they enable optimized power transmission and quick and easy connections between adjacent machine components. The raceways of the bearings work together with the rolling parts (as well as the cage or spacer) to withstand one-way loads or combined loads in any direction.

SMI manufactures a wide range of standard and custom support slewing bearings with an outer diameter of 0.1 – 16 m to meet the specific application needs of our customers.

Slewing Bearings -2
Slewing Bearings -2

SMI products are widely used in: precision machine tools, machining centers, industrial robots, harmonic reducers, precision spindles and turntables, CNC welding machines, automobiles and automobile production lines, electronic and electrical equipment lines, building materials machinery, high-voltage switches, high-wire rolling mills, textile machinery, oil and gas industry, ports, mining lifting wire rope industry; automobile tire radial braiding machine; wire rope braiding machine; silicon wafer cutting machine; Industrial (automotive and household appliances) coating lines and other fields.

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Filed Under: Design, Research & Development, Gear & Gearboxes, Machined Parts & Custom Castings, Other mechanical parts and accessories, Projects, Transmission Parts

January 23, 2022 By Sen Liang Leave a Comment

Petroleum Machinery Mixer Bevel Gear

Petroleum Machinery Mixer Bevel Gear
Petroleum Machinery Mixer Bevel Gear
Petroleum Machinery Mixer Bevel Gear
Petroleum Machinery Mixer Bevel Gear

Petroleum machinery mixer bevel gear, a key mechanical parts in the petroleum industry, made of metal, such as steel, or alloy steel, to ensure its sufficient strength and wear resistance, we provide gears will be customized according to your mixer design, to ensure that the size, number of teeth and other parameters perfectly fit your equipment.
1) Our Petroleum machinery mixer bevel gears are robust, strong and torque-intensive
2) High transmission efficiency and smooth, long life, noise and vibration reduction
3) Tooth surface carbonizing and quenching, strong wear resistance, high bearing capacity
4) In order not to affect the normal operation of the mixer, regular maintenance is necessary to reduce the wear and tear of the equipment

The petroleum machinery mixer gear provided by SMI has efficient power transmission and durable operation performance, we use high-quality materials and precision machining to ensure the high quality of the gear, to ensure that the mixer can withstand high-speed rotation and heavy load, so that the mixer can also maintain normal operation in harsh environments.

The tooth surface of the worm is precision grinding, and the tooth Angle is detected by the optical projector, which greatly improves the transmission accuracy, reduces the noise and prolongs the service life.

We can tailor it to your blender model, or requirements, to ensure suitable and high-performance operation for your equipment.

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Filed Under: Design, Research & Development, Gear & Gearboxes

September 24, 2017 By Coffy

Railway parts

Our main railway parts including:

Safety support
Safety support
Common front cover
Common front cover
Gear wheel
Gear wheel
Connecting seat
Connecting seat

Hand brake mechanism, Hand brake gearbox, Double brake shoe, Single brake shoe, Brake shoe (Welded type), Grill Handle, Manivela (Crowbar), Hand brake bar, Trangala handle, Portbale for loco engine, Hinge for wagon, Collector protect cap, Termik santral, Implant (Wagon), Elbow (Loco engine), Cap arm, Pinion side external gland cap, Hand brake gear, Bearing cap (Engine), Protecting cap (Engine), Hand wheel (Brake system), Pressure plate (Engine), End pivo (200kg), Suspension rod (60kg), Filter, Bottom locker tongue (Wagon), Upper bearing parts (Wagon bogie), Bottom bearing parts (Wagon bogie), Handwhell, Pivot bearing, Sand injektor, Bogie center (upper bowl), Sustaint carrier, Crack control, Engine Flange, Engine Ring, Engine Flange Expansion, Off Plate, etc.

railway part3
railway part4
railway part2
railway part1

 

Bearing cover
Bearing cover
Axle box
Axle box
Certer pin
Certer pin
The moter gear hanger transverse seat
The moter gear hanger transverse seat

 

Traction rod
Traction rod
Railway part 1
Railway part 1
Speed clamp
Speed clamp
The front cover
The front cover

 

Driven gear material basically has 15 Crni6, 17 Crnimo6, 18 Crnimo7-6, 42 Crmo, etc; Forgings from 6kg to 1080kg in weight; Forgings from 164mm to 965mm diameter size; Ranging from the 54mm to 268mm height; Driven gear commonly used tire die forging; Production equipment is mainly 2T and 3T free forging hammer air-steam. Material for 18 crnimo7-6, Weight 1080Kg, Maximum 965mm outside diameter size, Height 268mm. To tire air and steam with the aid of 3T free forging hammer forging production.

Locomotive Driven Gear
Locomotive Driven Gear

Also we offer OEM/ODM railway parts. The railway parts including railway spare parts which Sino Machine Industries supplied were produced per customer’s drawings or specifications. All the parts are made in China. Chinese Castings Serving the Industrial Markets of the World.

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Filed Under: Gear & Gearboxes, Machined Parts & Custom Castings, Railway & Train Machinery Parts Tagged With: Railway parts

September 12, 2017 By Coffy

Gearboxes for Pumping Jack

Gearboxes for Pumping Jack and Pumping Unit
SMI Gearboxes for Pumping Jack and Pumping Unit have been widely used and recognized in Texas, USA since 1996.

AISI: 1035, 1040, 4140, 4320, 4340, 8620H

Properties to meet:
AISI 8620H, AISI 135, AISI 1045, AISI 4140, AISI 4320, AISI 4340

Heat Treatment:
Full anneal, Normalize, Carburize, Case hardening, Quench & temper, Flame harden, Induction harden

gearboxes-1
gearboxes-2
Gearboxes

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Filed Under: Gear & Gearboxes

September 10, 2017 By Coffy

Gear

Main Production:
Precision forged gears, Precision machined gears,Gear-boxes.

Important types of gears:
Spur gear, Helical gear, Double helical gear, Bevel gear, Spiral bevel gear, Screw gear, Mitre gear, Worm gear, Internal gear, External gear, Rack and pinion gear, Herringbone gear, Hypoid gear, Sprocket, Epicyclic gear, Involute spines, Straight sides splines.

Gear hub
Gear hub
Gear ring
Gear ring
Loader spare parts
Loader spare parts

Industries Served:
Automotive, Agricultural, General engineering, Recreational vehicles, Power generation, Ship building
Surface Preparation: Nitride, Carbonitride
Material: Gears can be made of various types of materials, including:
Iron-based materials, Nonferrous metals, Plastic materials, Steel, Brass, Bronze, Cast iron, Ductile iron. SMI specializes in materials other than plastic.
The strength of gears differs depending on the type of material, heat treatment or quenching applied.

Gear
Gear
Gear
Gear
Gear
Gear
Gear
Gear
Gear
Gear
Gear and Shaft
Gear and Shaft
Gear
Gear

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Filed Under: Engineering Machinery (Wear) Parts, Gear & Gearboxes, Machined Parts & Custom Castings

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Professional Aluminum & Magnesium plant equipment supplier from China.
Up to 4,000 metric tons of mechanical products annually.
More than 30 years’ manufacturing and export experience.
Serving Global Aluminum & Magnesium smelters and metal recycling industry since 1996.

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