Product Description

Yucheng Hongri Machinery Factory

Product Technical Parameter

Product description:

Name: Good Quality Beautiful and Durable Farm Trailer for Tractor

The 7C series farm trailer has various types from 0.5T to 15T. The product has reasonable structure; beautiful appearance, economic and durable and can match various types of tractors. The 7C series agriculture divide into the suspension type and half suspension type with the trailer, self-discharging and not self-discharging and so on. The load-carrying capacity matching with each kind of 8-120 horsepower tractor is suitable for road and the field transportation.

Model	Unit	7CX-0.5 0.5T Handle farm trailer	7C-1 1T Handle farm trailer	7C-1.5 / 7CX-1.5	7C-2A / 7CX-2A
Carriage dimension	mm	1360*860*330	1800*900*320	2000*1000*450	2400*1200*450
Overall dimension	mm	2670*960*1140	2800*1300*1400	3060*1450*1700 / 3060*1450*1780	3500*1600*1660 / 3500*1600*1750
Rated weight	kg	500	100	1500	2000
Dead weight	kg	132	198	335 / 450	365 / 469
Tyre size/quantity		4.00-12/2	6.00-16/2	6.50-16/2	7.00-16/2
Unload form		Manual assistance(back dump)	NO	NO  / Hydraulic dump(back)	NO  / Hydraulic dump(back)
Brake form		Machanical brake	Machanical brake	Impact/Air brake	Impact/Air brake
Matched power	hp	8-12	8-12	12-15	15-18
40Quantity /GP	set	150/HQ	90	70	50 / 40

    

Model	Unit	7C-2B / 7CX-2B	7C-2.5 / 7CX-2.5	7C-3 / 7CX-3	7C-3 / 7CX-3	7C-3.5 / 7CX-3.5	7C-4 / 7CX-4
Carriage dimension	mm	2100*1500*460	2500*1500*460	3000*1600*460	3400*1700*460	3200*1800*460	3120*1920*460
Overall dimension	mm	3320*1600*1750 / 3320*1600*1860	3660*1600*1830 / 3660*1600*1860	4200*1700*1850 / 4200*1700*1950	4750*1800*1950 / 4750*1800*2060	4450*1900*1850 / 4450*1900*1950	4450*2000*1450 /4450*2000*1450
Rated weight	kg	2000	2500	3000	3000	3500	4000
Dead weight	kg	430 / 495	480 / 600	550 / 695	844 / 1099	630 / 770	820 / 945
Tyre size/quantity		7.00-16/2	7.50-16/2	7.50-16/2	7.00-16/4	7.50-16/2	8.25-16/2
Unload form		NO  /	NO  /	NO  /	NO  / Hydraulic	NO  /	NO  / Hydraulic
Brake form		Impact/Air brake	Impact/Air brake	Air brake	Air brake	Air brake	Air brake/ Hand brake
Matched power	hp	15-18	18-25	18-25	20-25	25-35	35-40
40Quantity /GP	set	35 / 35	25 / 25	24 / 24	18 / 15	24 / 20	24 / 20

 

Model	Unit	7C-4 / 7CX-4	7C-5 / 7CX-5	7CX-5	7C-6 / 7CX-6	7C-8 / 7CX-8	7CX-8
Carriage dimension	mm	3800*1700*460	4000*2150*550	4000*2150*550	4500*2150*550	5500*2150*550	4000*2150*550
Overall dimension	mm	5250*1800*2050 / 5250*1800*2150	5780*2250*2200 / 5780*2250*2320	5780*2250*2320	6300*2250*2380 / 6300*2250*2500	7300*2250*2380 / 7500*2250*2380	5780*2250*2380
Rated weight	kg	4000	5000	5000	6000	8000	8000
Dead weight	kg	1155 / 1450	1457 / 1750	1880	1670 / 2060	2180 / 2730	2096
Tyre size/quantity		7.50-16/4	8.25-16/4	8.25-16/4	9.00-16/4	7.50-16/8	7.50-16/8
Unload form		NO  / Hydraulic dump( left & right )	NO  / Hydraulic dump( left & right )	Hydraulic dump(left,right and back)	NO  / Hydraulic dump( left & right )	NO  / Hydraulic dump( left & right )	Hydraulic dump(left,right and back)
Brake form		Air brake	Air brake	Air brake	Air brake	Air brake	Air brake
Matched power	hp	35-40	40-50	45-55	50-65	60-80	60-80
40Quantity /GP	set	15 / 15	10 / 10	10	10	10	10

 

Model	Unit	7C-10 / 7CX-10	7C-12 / 7CX-12	High hurdle trailer-5T	Flat trailer-6T(1)	Flat trailer-10T(1)	Flat trailer-10T(2)
Carriage dimension	mm	6000*2150*550	6500*2150*550	4700*2150*1500	6000*2200	6500*2250	6500*2400
Overall dimension	mm	7800*2250*2500 / 7800*2250*2650	8600*2250*2650 / 8600*2250*2800	6500*2200*2700	7800*2200*1110	8300*2250*1100	8300*2400*800
Rated weight	kg	10000	12000	5000	6000	10000	10000
Dead weight	kg	2400 / 3000	2850 / 3400	2150	1750	2050	1850
Tyre size/quantity		8.25-16/8	8.25-16/8	8.25-16/4	8.25-16/4	8.25-16/8	7.00-9
Unload form		NO  / Hydraulic dump( left & right )	NO  / Hydraulic dump( left & right )	NO	NO	NO	NO
Brake form		Air brake	Air brake	Air brake	Air brake	Air brake	NO
Matched power	hp	80-90	80-100	40-50	50-60	80-90	80-90
40Quantity /GP	set	8 / 8	5 / 4	8	6	6	6

 

Model	Unit	Flat trailer-11T	7CX-20	7CX-1(E)	7CX-1.5(E)	7CX-2(E)	7CX-3(E)
Carriage dimension	mm	6000*2400	8000*2500*1300	2000*1000*330	2000*1000*360	2500*1500*460	3100*1600*460
Overall dimension	mm	7850*2400*900	9800*2620*2800	2970*1100*970	2970*1100*1070	3700*1600*1400	4300*1700*1400
Rated weight	kg	11000	20000	1000	1500	2000	3000
Dead weight	kg	2350	5800	305	350	650	990
Tyre size/quantity		8.25-16/8	9.00-20/8	ST175/80D13	185R14C	10.0/75-15.3	10.0/75-15.3 14PR/2
Unload form		NO	Hydraulic dump( left & right )	Hydraulic dump(back)	Hydraulic dump(back)	Hydraulic dump(back)	Hydraulic dump(back , left & right )
Brake form		Air brake	Air brake	Air brake	Air brake	Air brake/ Hand brake	Air brake
Matched power	hp	80-90	80-100	12-18	12-18	18-24	24-30
40Quantity /GP	set			40	40	25	16

 

Model	Unit	7CX-3(E)	7CX-3(E)	7CX-4(E)	7CX-5(E)	7CX-5(E)
Carriage dimension	mm	3400*1700*460	3400*1700*(460+460)	3400*2000*(460+460)	3700*1900*(460+460)	3700*1900*(460+460)
Overall dimension	mm	4900*1820*1360	4900*1820*1810	4900*1820*1860	5571*1990*1855	5571*1990*1855
Rated weight	kg	3000	3000	4000	5000	5000
Dead weight	kg	1150	1160	1325	1350	1420
Unload form		Hydraulic dump(back , left & right )	Hydraulic dump(back)	Hydraulic dump(back , left & right )	Hydraulic dump(back)	Hydraulic dump(back , left & right )
Brake form		Air brake/ Hand brake	Air brake/ Hand brake	Air brake/ Hand brake	Air brake/ Hand brake	Air brake/ Hand brake
Matched power	hp	24-30	24-30	24-30	40-50	40-50
40Quantity /GP	set	16	16	16	16	16

 

Model	Unit	7CX-5(E)	7CX-5(E)	7C-7(E)	7CX-7(E)	7CX-8(E)
Carriage dimension	mm	4100*2100*550	4100*2100*(550+550)	4100*2100*(460+460)	4100*2100*(460+460)	4100*2100*(550+550)
Overall dimension	mm	5830*2200*1715	5830*2200*2265	5830*2200*2050	5830*2200*2050	5830*2200*2260
Rated weight	kg	5000	5000	7000	7000	8000
Dead weight	kg	1950	2165	1700	2100	2315
Tyre size/quantity		11.5/80-15.3   10PR/4	11.5/80-15.3   10PR/4	10.0/75-15.3   16PR/4	10.0/75-15.3   16PR/4	11.5/80-15.3   16PR/4
Unload form		Hydraulic dump(back , left & right )	Hydraulic dump(back , left & right )	NO	Hydraulic dump(back , left & right )	Hydraulic dump(left and right)
Brake form		Air brake	Air brake	Air brake	Air brake	Air brake
Matched power	hp	50-60	50-60	50-60	50-60	60-80
40Quantity /GP	set	10	10	10	10	10

 
Product Images:

Packing & shipping:

Normal packing or According to your requirement.
Safe, complete and fast delivery of goods to customers

Our Company :
 

Business type	Manufacture
Location	Shiliwang Industrial Zone of HangZhou, ZheJiang ,China
Year Established	2003
Occupied area	50 Acres
Company certification	CE, ISO9001
Main product	disc harrow, disc plough, trailer, boom sprayer , rotary tillers, potato planter ,plowing blade, plough blade, soil-loosening shovel and so on.      With good quality, excellent performance, our products annually export to countries around the world, and we have gained the majority of customers trust.

After Service: 12 months guarantee of the main parts, we will send the guarantee parts together with the machine in your next order or we can send them by air express if you need it urgently. 
FAQ:

1.Q: Full price list for these products

A: If you need the price list for these products, please notify the product model so that I can quote you accordingly. Please understand we have a very wide product range, we don’t usually offer full products price list. 
2. Q: Business terms
A: Shipment time: 25-40days after your payment
Shipment: By sea
Loading port: HangZhou port, China
Destination port: …To be advised
Payment: T/T, L/C
Warranty: 1 year
3.Q:How can I order from you?
A: Please send us your enquiry list; we will reply you within 2 working days.
4.Q:If the finger I look for are not in your catalogue, what should I do?
A: We can develop it according to your drawing or sample.
5. Q: Why choose Hongri for cooperation? 
A: Comparing with our competitors, we have much more advantages as follows: 

1. More than 30years in manufacturing farming machine.

2. More Professional Sales staffs to guarantee the better service.
3. More agri machines for your choice.
4. More New products into your range to avoid price competition.
5. Larger quantity production and shipment.
6. Better quality to guarantee better Credit. 
7. Faster delivery time: Only7days.
8. More stick quality checking before shipment.
9. More reasonable after-sales service terms.
10. More famous brand: Hongri” brand and “CE”ceitification.
11.Lower repair rate and bad review rate. 
12. We have American Branch to show our main products. We can give customers best service.
If you have any questions, please feel free to contact me.
 

How to Select a Worm Shaft and Gear For Your Project

You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these 2 components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.

Gear 22

The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering.
The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the 2 bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug.
To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition.
Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, 5 or 10 times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.

Worm Shaft 20

When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with 1 another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function.
Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction.
Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find 1 that fits your needs.

Gear 22’s axial pitch PX

The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg.
In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.

Gear 22’s tooth parameters

A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts.
Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed.
For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.

Gear 22’s deflection

To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection.
The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the 2 parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality.
The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.