Product Description

Product Description:

1. Flexspline is a hollow flanging standard cylinder structure.

2. There is a large-diameter hollow shaft hole in the middle of the cam of the wave generator. The internal design of the reducer has a support bearing.

3. It has a fully sealed structure and is easy to install. It is very suitable for occasions where the wire needs to be threaded from the center of the reducer.
 

Advantages:
1. High precision,high torque
2. Dedicated technical personnel can be on-the-go to provide design solutions
3. Factory direct sales fine workmanship durable quality assurance
4. Product quality issues have a one-year warranty time, can be returned for replacement or repair

Company profile:

 

HangZhou CZPT Technology Co., Ltd. established in 2014, is committed to the R & D plant of high-precision transmission components. At present, the annual production capacity can reach 45000 sets of harmonic reducers. We firmly believe in quality first. All links from raw materials to finished products are strictly supervised and controlled, which provides a solid foundation for product quality. Our products are sold all over the country and abroad.

The harmonic reducer and other high-precision transmission components were independently developed by the company. Our company spends 20% of its sales every year on the research and development of new technologies in the industry. There are 5 people in R & D.

Our advantage is as below:

1.7 years of marketing experience

2. 5-person R & D team to provide you with technical support

3. It is sold at home and abroad and exported to Turkey and Ireland

4. The product quality is guaranteed with a one-year warranty

5. Products can be customized

Strength factory:

Our plant has an entire campus The number of workshops is around 300 Whether it’s from the production of raw materials and the procurement of raw materials to the inspection of finished products, we’re doing it ourselves. There is a complete production system

HST-III Parameter:

Model	Speed ratio	Enter the rated torque at 2000r/min		Allowed CZPT torque at start stop		The allowable maximum of the average load torque		Maximum torque is allowed in an instant		Allow the maximum speed to be entered	Average input speed is allowed	Back gap	design life
		NM	kgfm	NM	kgfm	NM	kgfm	NM	kgfm	r / min	r / min	Arc sec	Hour
14	50	6.2	0.6	20.7	2.1	7.9	0.7	40.3	4.1	7000	3000	≤30	10000
	80	9	0.9	27	2.7	12.7	1.3	54.1	5.5
	100	9	0.9	32	3.3	12.7	1.3	62.1	6.3
17	50	18.4	1.9	39	4	29.9	3	80.5	8.2	6500	3000	≤30	15000
	80	25.3	2.6	49.5	5	31	3.2	100.1	10.2
	100	27.6	2.8	62	6.3	45	4.6	124.2	12.7
20	50	28.8	2.9	64.4	6.6	39	4	112.7	11.5	5600	3000	≤30	15000
	80	39.1	4	85	8.8	54	5.5	146.1	14.9
	100	46	4.7	94.3	9.6	56	5.8	169.1	17.2
	120	46	4.7	100	10.2	56	5.8	169.1	17.2
	160	46	4.7	100	10.2	56	5.8	169.1	17.2
25	50	44.9	4.6	113	11.5	63	6.5	213.9	21.8	4800	3000	≤30	15000
	80	72.5	7.4	158	16.1	100	10.2	293.3	29.9
	100	77.1	7.9	181	18.4	124	12.7	326.6	33.3
	120	77.1	7.9	192	19.6	124	12.7	349.6	35.6
32	50	87.4	8.9	248	25.3	124	12.7	439	44.8	4000	3000	≤30	15000
	80	135.7	13.8	350	35.6	192	19.6	653	66.6
	100	157.6	16.1	383	39.1	248	25.3	744	75.9
40	100	308	37.2	660	67	432	44	1232	126.7	4000	3000	≤30	15000

HSG Parameter:

Model	Speed ratio	Enter the rated torque at 2000r/min		Allowed CZPT torque at start stop		The allowable maximum of the average load torque		Maximum torque is allowed in an instant		Allow the maximum speed to be entered	Average input speed is allowed	Back gap	design life
		NM	kgfm	NM	kgfm	NM	kgfm	NM	kgfm	r / min	r / min	Arc sec	Hour
14	50	7	0.7	23	2.3	9	0.9	46	4.7	14000	8500	≤20	15000
	80	10	1	30	3.1	14	1.4	61	6.2
	100	10	1	36	3.7	14	1.4	70	7.2
17	50	21	2.1	44	4.5	34	3.4	91	9	10000	7300	≤20	20000
	80	29	2.9	56	5.7	35	3.6	113	12
	100	31	3.2	70	7.2	51	5.2	143	15
20	50	33	3.3	73	7.4	44	4.5	127	13	10000	6500	≤20	20000
	80	44	4.5	96	9.8	61	6.2	165	17
	100	52	5.3	107	10.9	64	6.5	191	20
	120	52	5.3	113	11.5	64	6.5	191	20
	160	52	5.3	120	12.2	64	6.5	191	20
25	50	51	5.2	127	13	72	7.3	242	25	7500	5600	≤20	20000
	80	82	8.4	178	18	113	12	332	34
	100	87	8.9	204	21	140	14	369	38
	120	87	8.9	217	22	140	14	395	40
32	50	99	10	281	29	140	14	497	51	7000	4800	≤20	20000
	80	153	16	395	40	217	22	738	75
	100	178	18	433	44	281	29	841	86
40	100	345	35	738	75	484	49	1400	143	5600	4000	≤20	20000

Exhibitions:
Application case:

FQA:
Q: What should I provide when I choose a gearbox/speed reducer?
A: The best way is to provide the motor drawing with parameters. Our engineer will check and recommend the most suitable gearbox model for your reference.
Or you can also provide the below specification as well:
1) Type, model, and torque.
2) Ratio or output speed
3) Working condition and connection method
4) Quality and installed machine name
5) Input mode and input speed
6) Motor brand model or flange and motor shaft size

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.

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.

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.

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.