China factory nema 120 mm square mounting flange high torque reduction gearbox for electric motor bevel gear set

Warranty: 12 months
Applicable Industries: Machinery Repair Shops, Food & Beverage Factory, Construction works , Energy & Mining, Food & Beverage Shops, Other, Logistics
Customized support: OEM
Gearing Arrangement: Planetary
Output Torque: 80-260 N.M
Input Speed: 3000 rpm
Model NO.: 120ZDF Series
Reduction Ratio: 3~512
Backlash: 8~15
Stage: 1-3 Stages
Allowable radial force: 2100N
Allowable axial force: 1050N
Protection level: IP54
Port: HangZhou or ZheJiang

Products Description nema 120 mm square mounting flange high torque reduction gearbox for electric motorZDF series is our highly successful precision gearbox series. All ZDF gears adopt the alloy forged steel as the raw material,the powerful heat treatment, spur gear design, full needle roller bearings, and global top level gear grinding craft. Perfect integrated design of caged planetary carrier and output shaft to realize high rigidity. For any high precision applications, ZDF would be your great option for gearbox. Feature Overview

Gear TypePlanetary ,Spur
Shaft OrientationCoaxial
Rated Torque80-260 N.M
PerformanceHigh-efficiency, High-torque, Maintenance-free
Other CharacteristicsCompact, Solid-shaft, single-stage,two stages,three stages,IP54,for food industry machinery, for textiles, for printing machines, Low noise High Accuracy small Harmonic Gear Reducer harmonic drive speed reducer gearbox geared head for Servo electric motor HD for packaging machines, for medical devices, for railway applications
ZD Planetary Gearbox Model Read: 120 ZDF 8 ( ) (S1) -750 T1 a b c d e f g
aFrame Size120 = 120mm
bSeries code: ZDFSquare mounting flange series
cReduction RatioSingle Stage: 3,4,5,8,10;Two Stages: 9,12,15,16,20,25,32,40,64Three Stages:60,80,100,120,160,200,256,320, Industry Ratio RV series Harmonic Gear Worm Gearbox Reducer 512
dBacklashSingle Stage: 12arc.min;Two Stages: 15arc.min;Three Stages:18arc.min
eInput shaft typeS1: Locking with locking ring (Regardless whether the motor with keyway can use it.);S2: Locking with keyway (Input shaft with key);A: Other types (Please contact with us)
fApplicable servo motor power (W),Please contact us for specific power
gPlease contact us for the mouting type of the flange
Product Paramenters
PerformanceUnitNumber of StageReduction Ratio120ZDF
Rated Output Torque N.M 1380
4110
5110
8100
1080
29210
12210
15210
16260
20260
25230
32260
40230
64100
360210
80260
100260
120210
160260
200230
256260
320230
512100
Allowable Radial Force N1,2,33~5122100
Allowable Axial Force1,2,33~5121050
Full Load Efficiency %13~1096%
29~6494%
360~51290%
Backlash arc.min13~10<8
29~64<12
360~512<15
Noise Level(input speed= 3000 rpm,length =1m, no load)<65dB
Dimensions(Unit mm) Dimensions(Single-stage, Reduction Ratio i=3~10, Unit: mm): Dimensions(Two-stage, Reduction Ratio i=9~64, Unit: mm): Dimensions(Three-stage, Reduction Ratio i=60~512, Unit: mm): Related Products Why Choose Us FAQ Q1: What’re your main products?A1: We currently produce Brushed DC Motors, high quality R Engine Gearbox Speed Reducer helical gearbox 12 volt motor and gearbox 5 gear motor gear reducer Brushed DC Gear Motors, Planetary DC Gear Motors, Brushless Dc Motors, Stepper motors, AC Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can also tell us your special requirements by email and we will recommend the motor you need.Q2: How to select a suitable motor?A2: If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.Q3: Do you have a customized service for your standard motors?A3: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.Q4: Do you have an individual design service for motors?A4: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge. Q5: What’s your lead time?A5: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

How to Design a Forging Spur Gear

Before you start designing your own spur gear, you need to understand its main components. Among them are Forging, Keyway, Spline, Set screw and other types. Understanding the differences between these types of spur gears is essential for making an informed decision. To learn more, keep reading. Also, don’t hesitate to contact me for assistance! Listed below are some helpful tips and tricks to design a spur gear. Hopefully, they will help you design the spur gear of your dreams.
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Forging spur gears

Forging spur gears is one of the most important processes of automotive transmission components. The manufacturing process is complex and involves several steps, such as blank spheroidizing, hot forging, annealing, phosphating, and saponification. The material used for spur gears is typically 20CrMnTi. The process is completed by applying a continuous through extrusion forming method with dies designed for the sizing band length L and Splitting angle thickness T.
The process of forging spur gears can also use polyacetal (POM), a strong plastic commonly used for the manufacture of gears. This material is easy to mold and shape, and after hardening, it is extremely stiff and abrasion resistant. A number of metals and alloys are used for spur gears, including forged steel, stainless steel, and aluminum. Listed below are the different types of materials used in gear manufacturing and their advantages and disadvantages.
A spur gear’s tooth size is measured in modules, or m. Each number represents the number of teeth in the gear. As the number of teeth increases, so does its size. In general, the higher the number of teeth, the larger the module is. A high module gear has a large pressure angle. It’s also important to remember that spur gears must have the same module as the gears they are used to drive.

Set screw spur gears

A modern industry cannot function without set screw spur gears. These gears are highly efficient and are widely used in a variety of applications. Their design involves the calculation of speed and torque, which are both critical factors. The MEP model, for instance, considers the changing rigidity of a tooth pair along its path. The results are used to determine the type of spur gear required. Listed below are some tips for choosing a spur gear:
Type A. This type of gear does not have a hub. The gear itself is flat with a small hole in the middle. Set screw gears are most commonly used for lightweight applications without loads. The metal thickness can range from 0.25 mm to 3 mm. Set screw gears are also used for large machines that need to be strong and durable. This article provides an introduction to the different types of spur gears and how they differ from one another.
Pin Hub. Pin hub spur gears use a set screw to secure the pin. These gears are often connected to a shaft by dowel, spring, or roll pins. The pin is drilled to the precise diameter to fit inside the gear, so that it does not come loose. Pin hub spur gears have high tolerances, as the hole is not large enough to completely grip the shaft. This type of gear is generally the most expensive of the three.
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Keyway spur gears

In today’s modern industry, spur gear transmissions are widely used to transfer power. These types of transmissions provide excellent efficiency but can be susceptible to power losses. These losses must be estimated during the design process. A key component of this analysis is the calculation of the contact area (2b) of the gear pair. However, this value is not necessarily applicable to every spur gear. Here are some examples of how to calculate this area. (See Figure 2)
Spur gears are characterized by having teeth parallel to the shafts and axis, and a pitch line velocity of up to 25 m/s is considered high. In addition, they are more efficient than helical gears of the same size. Unlike helical gears, spur gears are generally considered positive gears. They are often used for applications in which noise control is not an issue. The symmetry of the spur gear makes them especially suitable for applications where a constant speed is required.
Besides using a helical spur gear for the transmission, the gear can also have a standard tooth shape. Unlike helical gears, spur gears with an involute tooth form have thick roots, which prevents wear from the teeth. These gears are easily made with conventional production tools. The involute shape is an ideal choice for small-scale production and is one of the most popular types of spur gears.

Spline spur gears

When considering the types of spur gears that are used, it’s important to note the differences between the two. A spur gear, also called an involute gear, generates torque and regulates speed. It’s most common in car engines, but is also used in everyday appliances. However, one of the most significant drawbacks of spur gears is their noise. Because spur gears mesh only one tooth at a time, they create a high amount of stress and noise, making them unsuitable for everyday use.
The contact stress distribution chart represents the flank area of each gear tooth and the distance in both the axial and profile direction. A high contact area is located toward the center of the gear, which is caused by the micro-geometry of the gear. A positive l value indicates that there is no misalignment of the spline teeth on the interface with the helix hand. The opposite is true for negative l values.
Using an upper bound technique, Abdul and Dean studied the forging of spur gear forms. They assumed that the tooth profile would be a straight line. They also examined the non-dimensional forging pressure of a spline. Spline spur gears are commonly used in motors, gearboxes, and drills. The strength of spur gears and splines is primarily dependent on their radii and tooth diameter.
SUS303 and SUS304 stainless steel spur gears

Stainless steel spur gears are manufactured using different techniques, which depend on the material and the application. The most common process used in manufacturing them is cutting. Other processes involve rolling, casting, and forging. In addition, plastic spur gears are produced by injection molding, depending on the quantity of production required. SUS303 and SUS304 stainless steel spur gears can be made using a variety of materials, including structural carbon steel S45C, gray cast iron FC200, nonferrous metal C3604, engineering plastic MC901, and stainless steel.
The differences between 304 and 303 stainless steel spur gears lie in their composition. The two types of stainless steel share a common design, but have varying chemical compositions. China and Japan use the letters SUS304 and SUS303, which refer to their varying degrees of composition. As with most types of stainless steel, the two different grades are made to be used in industrial applications, such as planetary gears and spur gears.
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Stainless steel spur gears

There are several things to look for in a stainless steel spur gear, including the diametral pitch, the number of teeth per unit diameter, and the angular velocity of the teeth. All of these aspects are critical to the performance of a spur gear, and the proper dimensional measurements are essential to the design and functionality of a spur gear. Those in the industry should be familiar with the terms used to describe spur gear parts, both to ensure clarity in production and in purchase orders.
A spur gear is a type of precision cylindrical gear with parallel teeth arranged in a rim. It is used in various applications, such as outboard motors, winches, construction equipment, lawn and garden equipment, turbine drives, pumps, centrifuges, and a variety of other machines. A spur gear is typically made from stainless steel and has a high level of durability. It is the most commonly used type of gear.
Stainless steel spur gears can come in many different shapes and sizes. Stainless steel spur gears are generally made of SUS304 or SUS303 stainless steel, which are used for their higher machinability. These gears are then heat-treated with nitriding or tooth surface induction. Unlike conventional gears, which need tooth grinding after heat-treating, stainless steel spur gears have a low wear rate and high machinability.

China factory nema 120 mm square mounting flange high torque reduction gearbox for electric motor     bevel gear setChina factory nema 120 mm square mounting flange high torque reduction gearbox for electric motor     bevel gear set