Tag Archives: motor gear shaft

China Good quality 12mm Geared Motor 12mm Electric Motor with Reduction Gear Screw Shaft Threaded Shaft DC Gear wholesaler

Product Description

Intelligent lock motor is based on micro precision reducer development, small intelligent micro precision reducer, used in the safe, locks, smart locks, sensor intelligent lock; This kind of motor with low noise, low consumption, small volume, light quality, precision, big torque, durability and other characteristics; HangZhou trillion wei mechanical and electrical company development, design micro precision smart lock motor, can factory project according to the customer demand custom motor parameters, performance, etc.
Customization, intelligent lock motor used in induction smart locks, trick lock, the bluetooth lock, Shared electronic bicycle lock areas; Application scenario is suitable for the hotel door lock, safe in the bank, family locks, office locks.

N30 Gear reducer Motor 3-12V with Gearbox for Door-Lock Product Description:
Parameters in a certain range can be customized according to customer’s demand.
Intelligent lock motor  Voltage range: 3~12 V    (eg:1.5V 3V 4.5V 6V 12V)

N30 Intelligent lock motor  Speed range: 32~2500 RPM

3.7v Intelligent lock motor  Overall dimensions: 12.0 x 10.0 x 25.0mm

We have a lot of different reduction ratio,Tie-in and different reduction ratio of the reducer, deceleration electric chance to output different rotational speed,In addition to change the speed reduction ratio can change the gear motor, you can change the speed of the motor.

Reduction ratio table :(The “L” is Gear length ,the unit is “mm”)

The following is 1 of the parameters:

Parameters of the model
 
 
VOL TAGE NO LOAD AT MAXIMUM STARTING
NOMINAL(V) SPEED CURRENT SPEEP CURRENT TOROUE OUTPUT TOROUE CURRENT
r/min A r/min A mN.m g.cm W mN.m kg.cm A
N30AGB10-08230 6.0 1000 0.571 880 0.350 1.96 20 0.18 9.8 0.1 0.35
N30AGB298-08230 3.0 16 0.571 12 0.060 25.48 260 0.03 98 1.0 0.18
N30AGB100-08230 12 200 0.040 170 0.150 39.2 400 0.7 196 2.0 0.70
N30AGB380-08220 3.0 13 0.571 11 0.045 24.5 250 0.03 117.6 1.2 0.20
N30AGB50-5718 6.0 260 0.045 210 0.150 14.7 150 0.32 78.4 0.8 0.60
N30AGB100-11120 6.0 195 0.055 160 0.220 34.3 350 0.57 176.4 1.8 1.2
N30AGB100-08210   12 250 0.040 210 0.130 29.4 300 0.65 156.8 1.6 0.75
N30AGB380-10155 5.0 38 0.035 32 0.120 58.8 600 0.20 313.6 3.2 0.68
N30AGB210-10145 6.0 80 0.050 52 0.165 49 500 0.27 245 2.5 0.85
N30AGB10- 0571 0 12 1550 0.030 1350 0.065 1.96 20 0.3 9.8 0.1 0.30
N30AGB30-11130 6.0 650 0.080 540 0.230 9.8 100 0.55 44.1 0.45 1.1
N30AGB298-10145 5.0 47 0.040 40 0.130 49 500 0.2 548.8 2.6 0.68

Our engineering department can provide special designs for different shaft length .

Packaging & Delivery:

Packaging Detail: standard export carton with inner foam in case of being damaged.

 Delivery Detail: 20 days after receiving the order and advanced payment of 30%.

Company production workshop:

We will test each motor, to ensure that customers receive qualified motor. Mechanization of production to realize full-automatic, further improve the production efficiency and stable product quality.

We have 20 years of experience in design research and development,Products in strict accordance with the standard production in Japan, “the quality first, customer supreme” is our management policy.
As long as you put forward demand, we can recommend suitable motor products for you, welcome to consult!

 

Screw Shaft Types and Uses

Various uses for the screw shaft are numerous. Its major diameter is the most significant characteristic, while other aspects include material and function are important. Let us explore these topics in more detail. There are many different types of screw shafts, which include bronze, brass, titanium, and stainless steel. Read on to learn about the most common types. Listed below are some of the most common uses for a screw shaft. These include: C-clamps, screw jacks, vises, and more.
screwshaft

Major diameter of a screw shaft

A screw’s major diameter is measured in fractions of an inch. This measurement is commonly found on the screw label. A screw with a major diameter less than 1/4″ is labeled #0 to #14; those with a larger diameter are labeled fractions of an inch in a corresponding decimal scale. The length of a screw, also known as the shaft, is another measure used for the screw.
The major diameter of a screw shaft is the greater of its 2 outer diameters. When determining the major diameter of a screw, use a caliper, micrometer, or steel rule to make an accurate measurement. Generally, the first number in the thread designation refers to the major diameter. Therefore, if a screw has a thread of 1/2-10 Acme, the major diameter of the thread is.500 inches. The major diameter of the screw shaft will be smaller or larger than the original diameter, so it’s a good idea to measure the section of the screw that’s least used.
Another important measurement is the pitch. This measures the distance between 1 thread’s tip and the next thread’s corresponding point. Pitch is an important measurement because it refers to the distance a screw will advance in 1 turn. While lead and pitch are 2 separate concepts, they are often used interchangeably. As such, it’s important to know how to use them properly. This will make it easier to understand how to select the correct screw.
There are 3 different types of threads. The UTS and ISO metric threads are similar, but their common values for Dmaj and Pmaj are different. A screw’s major diameter is the largest diameter, while the minor diameter is the lowest. A nut’s major diameter, or the minor diameter, is also called the nut’s inside diameter. A bolt’s major diameter and minor diameter are measured with go/no-go gauges or by using an optical comparator.
The British Association and American Society of Mechanical Engineers standardized screw threads in the 1840s. A standard named “British Standard Whitworth” became a common standard for screw threads in the United States through the 1860s. In 1864, William Sellers proposed a new standard that simplified the Whitworth thread and had a 55 degree angle at the tip. Both standards were widely accepted. The major diameter of a screw shaft can vary from 1 manufacturer to another, so it’s important to know what size screw you’re looking for.
In addition to the thread angle, a screw’s major diameter determines the features it has and how it should be used. A screw’s point, or “thread”, is usually spiky and used to drill into an object. A flat tipped screw, on the other hand, is flat and requires a pre-drilled hole for installation. Finally, the diameter of a screw bolt is determined by the major and minor diameters.
screwshaft

Material of a screw shaft

A screw shaft is a piece of machine equipment used to move raw materials. The screw shaft typically comprises a raw material w. For a particular screw to function correctly, the raw material must be sized properly. In general, screw shafts should have an axial-direction length L equal to the moving amount k per 1/2 rotation of the screw. The screw shaft must also have a proper contact angle ph1 in order to prevent raw material from penetrating the screw shaft.
The material used for the shaft depends on its application. A screw with a ball bearing will work better with a steel shaft than 1 made of aluminum. Aluminum screw shafts are the most commonly used for this application. Other materials include titanium. Some manufacturers also prefer stainless steel. However, if you want a screw with a more modern appearance, a titanium shaft is the way to go. In addition to that, screws with a chromium finish have better wear resistance.
The material of a screw shaft is important for a variety of applications. It needs to have high precision threads and ridges to perform its function. Manufacturers often use high-precision CNC machines and lathes to create screw shafts. Different screw shafts can have varying sizes and shapes, and each 1 will have different applications. Listed below are the different materials used for screw shafts. If you’re looking for a high-quality screw shaft, you should shop around.
A lead screw has an inverse relationship between contact surface pressure and sliding velocity. For heavier axial loads, a reduced rotation speed is needed. This curve will vary depending on the material used for the screw shaft and its lubrication conditions. Another important factor is end fixity. The material of a screw shaft can be either fixed or free, so make sure to consider this factor when choosing the material of your screw. The latter can also influence the critical speed and rigidity of the screw.
A screw shaft’s major diameter is the distance between the outer edge of the thread and the inner smooth part. Screw shafts are typically between 2 and 16 millimeters in diameter. They feature a cylindrical shape, a pointy tip, and a wider head and drive than the former. There are 2 basic types of screw heads: threaded and non-threaded. These have different properties and purposes.
Lead screws are a cost-effective alternative to ball screws, and are used for low power and light to medium-duty applications. They offer some advantages, but are not recommended for continuous power transmission. But lead screws are often quieter and smaller, which make them useful for many applications. Besides, they are often used in a kinematic pair with a nut object. They are also used to position objects.
screwshaft

Function of a screw shaft

When choosing a screw for a linear motion system, there are many factors that should be considered, such as the position of the actuator and the screw and nut selection. Other considerations include the overall length of travel, the fastest move profile, the duty cycle, and the repeatability of the system. As a result, screw technology plays a critical role in the overall performance of a system. Here are the key factors to consider when choosing a screw.
Screws are designed with an external threading that digs out material from a surface or object. Not all screw shafts have complete threading, however. These are known as partially threaded screws. Fully threaded screws feature complete external threading on the shaft and a pointed tip. In addition to their use as fasteners, they can be used to secure and tighten many different types of objects and appliances.
Another factor to consider is axial force. The higher the force, the bigger the screw needs to be. Moreover, screws are similar to columns that are subject to both tension and compression loads. During the compression load, bowing or deflection is not desirable, so the integrity of the screw is important. So, consider the design considerations of your screw shaft and choose accordingly. You can also increase the torque by using different shaft sizes.
Shaft collars are also an important consideration. These are used to secure and position components on the shaft. They also act as stroke limiters and to retain sprocket hubs, bearings, and shaft protectors. They are available in several different styles. In addition to single and double split shaft collars, they can be threaded or set screw. To ensure that a screw collar will fit tightly to the shaft, the cap must not be overtightened.
Screws can be cylindrical or conical and vary in length and diameter. They feature a thread that mates with a complementary helix in the material being screwed into. A self-tapping screw will create a complementary helix during driving, creating a complementary helix that allows the screw to work with the material. A screw head is also an essential part of a screw, providing gripping power and compression to the screw.
A screw’s pitch and lead are also important parameters to consider. The pitch of the screw is the distance between the crests of the threads, which increases mechanical advantage. If the pitch is too small, vibrations will occur. If the pitch is too small, the screw may cause excessive wear and tear on the machine and void its intended purpose. The screw will be useless if it can’t be adjusted. And if it can’t fit a shaft with the required diameter, then it isn’t a good choice.
Despite being the most common type, there are various types of screws that differ in their functions. For example, a machine screw has a round head, while a truss head has a lower-profile dome. An oval-its point screw is a good choice for situations where the screw needs to be adjusted frequently. Another type is a soft nylon tip, which looks like a Half-dog point. It is used to grip textured or curved surfaces.

China Good quality 12mm Geared Motor 12mm Electric Motor with Reduction Gear Screw Shaft Threaded Shaft DC Gear   wholesaler China Good quality 12mm Geared Motor 12mm Electric Motor with Reduction Gear Screw Shaft Threaded Shaft DC Gear   wholesaler

China Hot selling NEMA 17, 23, 24, 34, 42, 52 Hybrid Linear Gear with Brake, Double Shaft Stepper Motor Driver with Free Design Custom

Product Description

NEMA 8, 11, 14, 17, 23, 24, 34, 42, 52  Hybrid Linear Gear  with brake ,double shaft stepper motor driver for CNC automation equipment
 

HYBRID STEPPING MOTOR  34HT  SERIES

General  Specifications:
Step Angle —————————————————————————————————————-1.2° (full step)
Step Angle Accuracy ————————————————————————————–±5%(full step, no load)
Resistance Accuracy ————————————————————————————————————–±10%
Inductance Accuracy ————————————————————————————————————–±20%
Temperature Rise ———————————————————————-80ºC Max(rated current, 2 phases on)
Ambient Temperature Range —————————————————————————————-  -20ºC∽+50ºC
Insulation Resistance —————————————————————————————  100MΩ Min. 500VDC
Dielectric Strength ——————————————————————————— 500VAC 50Hz 1mA 1 Minute
Insulation Class —————————————————————————————————————— B class

Electrical  Specifications:

Model L
Motor Length
(mm)
Holding
Torque
(N.cm)
Min.
Rated
Current
(A)
Phase
Resistance
(Ω)
Phase
Inductance
(mH)
Rotor
Inertia
(kg.cm²)
Lead
Wire
Detent
Torque
(N.cm)
Max.
Motor
Weight
(kg)
34HT7040 70 250 4.0 0.7 9.3 1.1 3 12 2.1
34HT8040 80 300 4.0 0.9 12 1.23 3 15 2.3
34HT10040 100 500 4.0 1.3 16.2 2.7 3 20 3.3
34HT11840 118 600 4.0 1.60 16.5 3.3 3 30 3.7
34HT13040 130 750 4.0 1.95 17 4.0 3 35 4.0
34HT15040 150 900 4.0 2.35 19 5.0 3 45 5.5

* It can be customized according to the requirements of users.
 

Ball screw:
ball screw (or ballscrew) is a mechanical linear actuator that translates rotational motion to linear motion with little friction. A threaded shaft provides a helical raceway for ball bearings which act as a precision screw. As well as being able to apply or withstand high thrust loads. They are made to close tolerances and are therefore suitable for use in situations in which high precision is necessary. 

Linear guide:Linear CZPT railalso known as linear CZPT rail, slide rail, linear CZPT rail and linear slide rail, is used for high-precision or high-speed linear reciprocating motion. It can bear a certain torque and realize high-precision linear motion under high load. In the mainland, it is called linear CZPT rail, and in ZheJiang , it is generally called linear CZPT rail and linear slide rail.

Dual shaft guide:
Axis CZPT rail is a kind of light load high-speed CZPT rail with linear motion. The matching of sliding block and roller is integrated. It is divided into 2 categories. They are built-in double axis linear CZPT rail, also known as inner slide rail series. The slide block is inside the CZPT rail. The external double axis linear CZPT rail is also called external sliding CZPT rail. The sliding block is outside the CZPT rail.

Company Introduction

HangZhou CZPT Automation Technology Co.LTD is located in HangZhou city,ZHangZhoug province,China.The company specializes in the production of ball screw,screw support,nut seat,linear CZPT rail,cylindrical CZPT rail,biaxial starguide rail and so on.The company’s products are widely used in automantion eqiupment,packaging machinery,printing machinery,food machinert,instrumentation eq uipment,woodworking machinery,automobile,high-speed iron,carving machines and other industrial machinery industries.
The company has rich experience in the design and manufacture of automatic semi-automatic machinery parts,adcanced eqiupment and production trchnology,and has anumber of technical r&d backbone engaged in mechanical design,manufacturing,testing and after-sales service for many years.Since the establishment of the company,the products have been produced in strict accordance with international standards.Every post of producyion,sales and after-sales service has a superb technical team as the bancking,and every link is understrict and meticulous quality control to ensure that the sales are all high-quality products.The staff of the company always remember that quality is the life of the company,because we  are professional because of our focus,we have been working hard.
The company is committed to creating maximum calue for customers,and is committed to prociding customers with high-quality,professional and satisfactory bearing products.Welcome friends from all walks of life to cisit,guide and business negotiations,we are willing to work with you hand in hand!

FAQ

1. who are we?
We are based in ZHangZhoug, China, start from 2013,sell to North America(20.00%),South Asia(10.00%),Southern Europe(10.00%),Northern Europe(10.00%),Western Europe(10.00%),Africa(10.00%),Southeast Asia(10.00%),Eastern Europe(10.00%),South America(10.00%). There are total about 11-50 people in our office.

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3.what can you buy from us?
guide,Bearing,Screw rod

4. what services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency:USD,CNY;
Accepted Payment Type: T/T,L/C;
Language Spoken:English,Chinese

Lead Screws and Clamp Style Collars

If you have a lead screw, you’re probably interested in learning about the Acme thread on this type of shaft. You might also be interested in finding out about the Clamp style collars and Ball screw nut. But before you buy a new screw, make sure you understand what the terminology means. Here are some examples of screw shafts:

Acme thread

The standard ACME thread on a screw shaft is made of a metal that is resistant to corrosion and wear. It is used in a variety of applications. An Acme thread is available in a variety of sizes and styles. General purpose Acme threads are not designed to handle external radial loads and are supported by a shaft bearing and linear guide. Their design is intended to minimize the risk of flank wedging, which can cause friction forces and wear. The Centralizing Acme thread standard caters to applications without radial support and allows the thread to come into contact before its flanks are exposed to radial loads.
The ACME thread was first developed in 1894 for machine tools. While the acme lead screw is still the most popular screw in the US, European machines use the Trapezoidal Thread (Metric Acme). The acme thread is a stronger and more resilient alternative to square threads. It is also easier to cut than square threads and can be cut by using a single-point threading die.
Similarly to the internal threads, the metric versions of Acme are similar to their American counterparts. The only difference is that the metric threads are generally wider and are used more frequently in industrial settings. However, the metric-based screw threads are more common than their American counterparts worldwide. In addition, the Acme thread on screw shafts is used most often on external gears. But there is still a small minority of screw shafts that are made with a metric thread.
ACME screws provide a variety of advantages to users, including self-lubrication and reduced wear and tear. They are also ideal for vertical applications, where a reduced frictional force is required. In addition, ACME screws are highly resistant to back-drive and minimize the risk of backlash. Furthermore, they can be easily checked with readily available thread gauges. So, if you’re looking for a quality ACME screw for your next industrial project, look no further than ACME.
screwshaft

Lead screw coatings

The properties of lead screw materials affect their efficiency. These materials have high anti-corrosion, thermal resistance, and self-lubrication properties, which eliminates the need for lubrication. These coating materials include polytetrafluoroethylene (PFE), polyether ether ketone (PEK), and Vespel. Other desirable properties include high tensile strength, corrosion resistance, and rigidity.
The most common materials for lead screws are carbon steel, stainless steel, and aluminum. Lead screw coatings can be PTFE-based to withstand harsh environments and remove oil and grease. In addition to preventing corrosion, lead screw coatings improve the life of polymer parts. Lead screw assembly manufacturers offer a variety of customization options for their lead screw, including custom-molded nuts, thread forms, and nut bodies.
Lead screws are typically measured in rpm, or revolutions per minute. The PV curve represents the inverse relationship between contact surface pressure and sliding velocity. This value is affected by the material used in the construction of the screw, lubrication conditions, and end fixity. The critical speed of lead screws is determined by their length and minor diameter. End fixity refers to the support for the screw and affects its rigidity and critical speed.
The primary purpose of lead screws is to enable smooth movement. To achieve this, lead screws are usually preloaded with axial load, enabling consistent contact between a screw’s filets and nuts. Lead screws are often used in linear motion control systems and feature a large area of sliding contact between male and female threads. Lead screws can be manually operated or mortised and are available in a variety of sizes and materials. The materials used for lead screws include stainless steel and bronze, which are often protected by a PTFE type coating.
These screws are made of various materials, including stainless steel, bronze, and various plastics. They are also made to meet specific requirements for environmental conditions. In addition to lead screws, they can be made of stainless steel, aluminum, and carbon steel. Surface coatings can improve the screw’s corrosion resistance, while making it more wear resistant in tough environments. A screw that is coated with PTFE will maintain its anti-corrosion properties even in tough environments.
screwshaft

Clamp style collars

The screw shaft clamp style collar is a basic machine component, which is attached to the shaft via multiple screws. These collars act as mechanical stops, load bearing faces, or load transfer points. Their simple design makes them easy to install. This article will discuss the pros and cons of this style of collar. Let’s look at what you need to know before choosing a screw shaft clamp style collar. Here are some things to keep in mind.
Clamp-style shaft collars are a versatile mounting option for shafts. They have a recessed screw that fully engages the thread for secure locking. Screw shaft clamp collars come in different styles and can be used in both drive and power transmission applications. Listed below are the main differences between these 2 styles of collars. They are compatible with all types of shafts and are able to handle axial loads of up to 5500 pounds.
Clamp-style shaft collars are designed to prevent the screw from accidentally damaging the shaft when tightened. They can be tightened with a set screw to counteract the initial clamping force and prevent the shaft from coming loose. However, when tightening the screw, you should use a torque wrench. Using a set screw to tighten a screw shaft collar can cause it to warp and reduce the surface area that contacts the shaft.
Another key advantage to Clamp-style shaft collars is that they are easy to install. Clamp-style collars are available in one-piece and two-piece designs. These collars lock around the shaft and are easy to remove and install. They are ideal for virtually any shaft and can be installed without removing any components. This type of collar is also recommended for those who work on machines with sensitive components. However, be aware that the higher the OD, the more difficult it is to install and remove the collar.
Screw shaft clamp style collars are usually one-piece. A two-piece collar is easier to install than a one-piece one. The two-piece collars provide a more effective clamping force, as they use the full seating torque. Two-piece collars have the added benefit of being easy to install because they require no tools to install. You can disassemble one-piece collars before installing a two-piece collar.
screwshaft

Ball screw nut

The proper installation of a ball screw nut requires that the nut be installed on the center of the screw shaft. The return tubes of the ball nut must be oriented upward so that the ball nut will not overtravel. The adjusting nut must be tightened against a spacer or spring washer, then the nut is placed on the screw shaft. The nut should be rotated several times in both directions to ensure that it is centered.
Ball screw nuts are typically manufactured with a wide range of preloads. Large preloads are used to increase the rigidity of a ball screw assembly and prevent backlash, the lost motion caused by a clearance between the ball and nut. Using a large amount of preload can lead to excessive heat generation. The most common preload for ball screw nuts is 1 to 3%. This is usually more than enough to prevent backlash, but a higher preload will increase torque requirements.
The diameter of a ball screw is measured from its center, called the ball circle diameter. This diameter represents the distance a ball will travel during 1 rotation of the screw shaft. A smaller diameter means that there are fewer balls to carry the load. Larger leads mean longer travels per revolution and higher speeds. However, this type of screw cannot carry a greater load capacity. Increasing the length of the ball nut is not practical, due to manufacturing constraints.
The most important component of a ball screw is a ball bearing. This prevents excessive friction between the ball and the nut, which is common in lead-screw and nut combinations. Some ball screws feature preloaded balls, which avoid “wiggle” between the nut and the ball. This is particularly desirable in applications with rapidly changing loads. When this is not possible, the ball screw will experience significant backlash.
A ball screw nut can be either single or multiple circuits. Single or multiple-circuit ball nuts can be configured with 1 or 2 independent closed paths. Multi-circuit ball nuts have 2 or more circuits, making them more suitable for heavier loads. Depending on the application, a ball screw nut can be used for small clearance assemblies and compact sizes. In some cases, end caps and deflectors may be used to feed the balls back to their original position.

China Hot selling NEMA 17, 23, 24, 34, 42, 52 Hybrid Linear Gear with Brake, Double Shaft Stepper Motor Driver   with Free Design CustomChina Hot selling NEMA 17, 23, 24, 34, 42, 52 Hybrid Linear Gear with Brake, Double Shaft Stepper Motor Driver   with Free Design Custom