China Professional Hand Push Walking Back Grass Cutting Grass Mower for Farm Use near me factory

Product Description

 Hand push walking back grass cutting grass mower for farm use

Parameter of the Grass mower and lawn mower :

Model Name 1GC4.0
Drive Type Self-propelled
Engine  company LONCIN
Max power 196CC,4.1KW
Cutting width 450mm 
Machine material Steel
Height adjustment Central adjustment 
Cutting height 30mm
Wheels Front 6” / Rear 350-4 Rubber wheels
Gear box Type High speed, N, Low speed
Noise level 71dB
Carton dimensions 90x58x53cm
Loading quantity
(20GP/40GP/40HC)
100/200/260
Throttle control yes
Packing box export carton case 

About us:
HangZhou innovate machinery Co., Ltd is a produce company, we are specialized in research, development and production of power tiller, brush cutter, lawn mower, chain saw, power sprayer and electric tools. We located in HangZhou city, ZheJiang province, China. With convenient transportation access, All of our products comply with international quality standards and are greatly appreciated in a variety of different markets through the world.

We are looking forward to forming successful business relationships with the new clients around the world in the near future.

We are 1 of the fast growing companies in the field of power machinery, garden and small agricultural machinery. With over 12 years dedicated in the field, our company now becomes a professionally well-known brand with absolute advantage in R & D, marketing, and after-sale service in the field of general purpose power machinery and small agricultural machinery. Since the establishment of our company, we aim at providing the world with high quality products at competitive prices. We always use raw materials of high quality standard with improved processing instead of low quality which could not ensure the benefit of customers. For quality control, in order to ensure the quality of our products, we produce most of the die-casting parts and gears by ourselves. And meanwhile, we test each piece of our products before they are released to the market. Meanwhile, a well-educated and organized after-sale service team always provides professional maintenance, technical consultation and technical training.

We are always here looking for distributors from all over the world for mutual-beneficial cooperation.

All products provided 1 year warranty and spare parts are always available anytime after order. Also we provide OEM and ODM service.

Your inquires are always welcome and our sales team will reply you within 24hours.

Our products sell well all over the country and have been exported abroad for more than 30 countries and regions.

We provide good service to our customers, whenever our customer requests, we will send our technicians or mechanics travel to overseas to help customer for machines installation, commissioning and maintenance. We also provide free training in China for our customers, our customer can send their mechanics to China for training.

We are willing to help our customers to get more business, therefore we always provide good quality products with competitive prices.

We are sincerely willing to cooperate with enterprises from all over the world in order to realize a CZPT situation.
Please feel free to contact us.
The lawn mower have 3 speed, the high speed normally use at young grass that is easy to cut, the low speed is used for the tall and thick grass which is not wasy to cut, so we slow down the forward speed to let the machine working more efficient.

 

The grass mower have a blade under the machine , with the power of engine , the blade rotate at high speed ,in order to cutter grass. The blade to the ground distance is 5cm, the length of the blade is 45cm. It is suitable for any kinds of grass cutting.

Our factory view:
 

We are power tools produce company, our machine include power tiller ,chain saw,grass cutting machine,lawn mower and so on.
our main service is OEM service, we have successfully provide machine with our customer’s logo. Hope to cooperate with you and hope to provide good service to you. 

Our assembly working shop:

With our assemble line, we can assemble power tiller 300 sets 1 day , different produce cost different assemble time, but it is not big difference. Like the lawn mower or grass mower, we can assemble 400 sets per day. Cooperate with us , we will successfully finish your order on time.

Please have a look of our power tiller  and mower warehouse:
 

We have a standard warehouse, this is a part of our stock. Normally we have 300 sets stock of each type  machine, include power tiller and lawn mower or grass mower . if you order is small we can delivery immediately.

   Delivery the machine:

Every time we delivery the machine, we ask the shipping company transport the container to our warehouse , then we load the container in our factory. By doing this , we can check the goods carefully and we can make sure the machine no damage during loading.The lawn mower and the grass cutter mower each 40ft container can load 210sets.

Join us, with our wide range of the product, as power tiller ,cultivator, weeding machine,lawn mower,grass mower and chain saw, let’s working together to build a win win relation in near future. we will provide good OEM service for you, we believe that quality first, customer first and we will continue to do it.

FAQ of the lawn mower and grass mower
Q: What is the MOQ?
A:10 sets.
Q:What is the payment term?
A: We choose T/T as the first choice.
Q:What is the warranty time?
A: Normally we provide 1 year as the warranty time.
Q:What is the delivery time:
A: Normal goods we have stock,if OEM then need 30days.
Q: Do you provide free sample?
A: Yes.
Q:How to make aftersale service?
A:We can video call or send you assemble video for you to understand the structure of the lawn mower.
Q:Can i do your agent?
A:Surely yes, we not retail,we mainly do agent service.

 

How to Determine the Quality of a Worm Shaft

There are many advantages of a worm shaft. It is easier to manufacture, as it does not require manual straightening. Among these benefits are ease of maintenance, reduced cost, and ease of installation. In addition, this type of shaft is much less prone to damage due to manual straightening. This article will discuss the different factors that determine the quality of a worm shaft. It also discusses the Dedendum, Root diameter, and Wear load capacity.
worm shaft

Root diameter

There are various options when choosing worm gearing. The selection depends on the transmission used and production possibilities. The basic profile parameters of worm gearing are described in the professional and firm literature and are used in geometry calculations. The selected variant is then transferred to the main calculation. However, you must take into account the strength parameters and the gear ratios for the calculation to be accurate. Here are some tips to choose the right worm gearing.
The root diameter of a worm gear is measured from the center of its pitch. Its pitch diameter is a standardized value that is determined from its pressure angle at the point of zero gearing correction. The worm gear pitch diameter is calculated by adding the worm’s dimension to the nominal center distance. When defining the worm gear pitch, you have to keep in mind that the root diameter of the worm shaft must be smaller than the pitch diameter.
Worm gearing requires teeth to evenly distribute the wear. For this, the tooth side of the worm must be convex in the normal and centre-line sections. The shape of the teeth, referred to as the evolvent profile, resembles a helical gear. Usually, the root diameter of a worm gear is more than a quarter inch. However, a half-inch difference is acceptable.
Another way to calculate the gearing efficiency of a worm shaft is by looking at the worm’s sacrificial wheel. A sacrificial wheel is softer than the worm, so most wear and tear will occur on the wheel. Oil analysis reports of worm gearing units almost always show a high copper and iron ratio, suggesting that the worm’s gearing is ineffective.

Dedendum

The dedendum of a worm shaft refers to the radial length of its tooth. The pitch diameter and the minor diameter determine the dedendum. In an imperial system, the pitch diameter is referred to as the diametral pitch. Other parameters include the face width and fillet radius. Face width describes the width of the gear wheel without hub projections. Fillet radius measures the radius on the tip of the cutter and forms a trochoidal curve.
The diameter of a hub is measured at its outer diameter, and its projection is the distance the hub extends beyond the gear face. There are 2 types of addendum teeth, 1 with short-addendum teeth and the other with long-addendum teeth. The gears themselves have a keyway (a groove machined into the shaft and bore). A key is fitted into the keyway, which fits into the shaft.
Worm gears transmit motion from 2 shafts that are not parallel, and have a line-toothed design. The pitch circle has 2 or more arcs, and the worm and sprocket are supported by anti-friction roller bearings. Worm gears have high friction and wear on the tooth teeth and restraining surfaces. If you’d like to know more about worm gears, take a look at the definitions below.
worm shaft

CZPT’s whirling process

Whirling process is a modern manufacturing method that is replacing thread milling and hobbing processes. It has been able to reduce manufacturing costs and lead times while producing precision gear worms. In addition, it has reduced the need for thread grinding and surface roughness. It also reduces thread rolling. Here’s more on how CZPT whirling process works.
The whirling process on the worm shaft can be used for producing a variety of screw types and worms. They can produce screw shafts with outer diameters of up to 2.5 inches. Unlike other whirling processes, the worm shaft is sacrificial, and the process does not require machining. A vortex tube is used to deliver chilled compressed air to the cutting point. If needed, oil is also added to the mix.
Another method for hardening a worm shaft is called induction hardening. The process is a high-frequency electrical process that induces eddy currents in metallic objects. The higher the frequency, the more surface heat it generates. With induction heating, you can program the heating process to harden only specific areas of the worm shaft. The length of the worm shaft is usually shortened.
Worm gears offer numerous advantages over standard gear sets. If used correctly, they are reliable and highly efficient. By following proper setup guidelines and lubrication guidelines, worm gears can deliver the same reliable service as any other type of gear set. The article by Ray Thibault, a mechanical engineer at the University of Virginia, is an excellent guide to lubrication on worm gears.

Wear load capacity

The wear load capacity of a worm shaft is a key parameter when determining the efficiency of a gearbox. Worms can be made with different gear ratios, and the design of the worm shaft should reflect this. To determine the wear load capacity of a worm, you can check its geometry. Worms are usually made with teeth ranging from 1 to 4 and up to twelve. Choosing the right number of teeth depends on several factors, including the optimisation requirements, such as efficiency, weight, and centre-line distance.
Worm gear tooth forces increase with increased power density, causing the worm shaft to deflect more. This reduces its wear load capacity, lowers efficiency, and increases NVH behavior. Advances in lubricants and bronze materials, combined with better manufacturing quality, have enabled the continuous increase in power density. Those 3 factors combined will determine the wear load capacity of your worm gear. It is critical to consider all 3 factors before choosing the right gear tooth profile.
The minimum number of gear teeth in a gear depends on the pressure angle at zero gearing correction. The worm diameter d1 is arbitrary and depends on a known module value, mx or mn. Worms and gears with different ratios can be interchanged. An involute helicoid ensures proper contact and shape, and provides higher accuracy and life. The involute helicoid worm is also a key component of a gear.
Worm gears are a form of ancient gear. A cylindrical worm engages with a toothed wheel to reduce rotational speed. Worm gears are also used as prime movers. If you’re looking for a gearbox, it may be a good option. If you’re considering a worm gear, be sure to check its load capacity and lubrication requirements.
worm shaft

NVH behavior

The NVH behavior of a worm shaft is determined using the finite element method. The simulation parameters are defined using the finite element method and experimental worm shafts are compared to the simulation results. The results show that a large deviation exists between the simulated and experimental values. In addition, the bending stiffness of the worm shaft is highly dependent on the geometry of the worm gear toothings. Hence, an adequate design for a worm gear toothing can help reduce the NVH (noise-vibration) behavior of the worm shaft.
To calculate the worm shaft’s NVH behavior, the main axes of moment of inertia are the diameter of the worm and the number of threads. This will influence the angle between the worm teeth and the effective distance of each tooth. The distance between the main axes of the worm shaft and the worm gear is the analytical equivalent bending diameter. The diameter of the worm gear is referred to as its effective diameter.
The increased power density of a worm gear results in increased forces acting on the corresponding worm gear tooth. This leads to a corresponding increase in deflection of the worm gear, which negatively affects its efficiency and wear load capacity. In addition, the increasing power density requires improved manufacturing quality. The continuous advancement in bronze materials and lubricants has also facilitated the continued increase in power density.
The toothing of the worm gears determines the worm shaft deflection. The bending stiffness of the worm gear toothing is also calculated by using a tooth-dependent bending stiffness. The deflection is then converted into a stiffness value by using the stiffness of the individual sections of the worm shaft. As shown in figure 5, a transverse section of a two-threaded worm is shown in the figure.

China Professional Hand Push Walking Back Grass Cutting Grass Mower for Farm Use     near me factory China Professional Hand Push Walking Back Grass Cutting Grass Mower for Farm Use     near me factory