China Hot selling Qt10-15 Supersonic Hydraulic Automatic Concrete Block Making Machine differential drive shaft

Product Description

Full Automatic Hydraulic Cement Brick Making Block Equipment (QT10-15) 

Introduction:

QT10-15 Block making machine is 1 of our hot sale block making machine which can produce all types of hollow blocks, CZPT block, paver, curbstone and so on. In order to suit the overseas markets and ensure the machine work high efficiency, we are constantly updating and improving the quality and technology.,

 

 QT10-15 automatic block making machine main data

Dimension of host machine

3500×2220×2850mm

control style

PLC

forming style

Hydraulic

Vibration force

100KN

vibrator style

table and mould vibrate togather

raw material feeding style

360 degree revole

forming hight

40-250mm

moulding period

15-20S

moulding aera

1571×810mm

size of pallet

1350×900×30mm

weight of host machine

14ton

Mixer style

JS750

General water Consumption

12T/day

Voltage

220/240/380/440V

 Simple block machine line area needed

Workshop

200m2

Office

100m2

Total area

About 2000m2

 block making machine

operate

1

Material loader

1

Drive forklift

1

Feeding pallets

1

Maintain

1

Total

5

the machine advantages are as shown following.

1. 4 vibration motors: Our vibration system adopts 4 vibration motors,vertical vibration CZPT 4 corners of the platform,vibration evenly strong and quickly,molding fast,reduce the friction with the mold,extend the service life of the mold.

2. Lengthened vibration shaft and vibation box: We adopt lengthened vibration shaft and vibation box to make the vibration platform vibrate stably with more strong and less noise.Our vibration box is cast,won’t leak oil.

3.CZPT PLC and vibration motors:  Adopts Siemens PLC and vibration motors to make sure our machine work more efficiently and stably.

4. Japan CZPT hydraulic component: hydraulic system adopts the CZPT proportional valve and multi direction communication control system,which can adjust any actio in al direction to make our machine working more stable and sensitive.

5.Block mould:Use manganse steel material,with the liner cutting and heat treatment technology,extend 50%service life.

6.Material Feeder: Adopt German technology wich uses a swinging spline shaft,makes the raw material evenly into the mold,reducing ther error of the brick,and this system has a low falure rate

 

Theoretical production capacity
No Size(LxWxH) Reference pic Pcs/Mould Pcs/Hour Pcs/Shift
1 400x200x200mm   8 1440-1680 11520-13440
2 400x100x200mm 16 2880-3360 23040-26880
3 400x150x200mm 10 1800-2100 14400-16800
4 400x250x200mm 8 1080-1260 8640-10080
5 230x110x70mm Solid brick 45 8100-10800 64800-86400
6 200x100x60   27 5760 46080
7 200x163x60   18 3600 28800

 

Our service

1. In the process of equipment production, we check the quality of equipment production at any time, carry out ex-factory testing before shipment to ensure product quality.
2. Send our engineers to guide customers in installation and commissioning.
3. Free supply of spare parts and tools that enough1 for 1 year.
4. The warranty period is 1 year. For any quality problems during the warranty period, our company will repair or replace spare parts free of charge.
5. Our company has been worked for 25 years. We can be found at any time.

 

Warranty: 1 Year
Machine Capacity: 4000-30000 Blocks / Day
Machine Power: 27.5kw
Customization:
Available

|

Customized Request

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

splineshaft

How to Calculate Stiffness, Centering Force, Wear and Fatigue Failure of Spline Couplings

There are various types of spline couplings. These couplings have several important properties. These properties are: Stiffness, Involute splines, Misalignment, Wear and fatigue failure. To understand how these characteristics relate to spline couplings, read this article. It will give you the necessary knowledge to determine which type of coupling best suits your needs. Keeping in mind that spline couplings are usually spherical in shape, they are made of steel.

Involute splines

An effective side interference condition minimizes gear misalignment. When two splines are coupled with no spline misalignment, the maximum tensile root stress shifts to the left by five mm. A linear lead variation, which results from multiple connections along the length of the spline contact, increases the effective clearance or interference by a given percentage. This type of misalignment is undesirable for coupling high-speed equipment.
Involute splines are often used in gearboxes. These splines transmit high torque, and are better able to distribute load among multiple teeth throughout the coupling circumference. The involute profile and lead errors are related to the spacing between spline teeth and keyways. For coupling applications, industry practices use splines with 25 to fifty-percent of spline teeth engaged. This load distribution is more uniform than that of conventional single-key couplings.
To determine the optimal tooth engagement for an involved spline coupling, Xiangzhen Xue and colleagues used a computer model to simulate the stress applied to the splines. The results from this study showed that a “permissible” Ruiz parameter should be used in coupling. By predicting the amount of wear and tear on a crowned spline, the researchers could accurately predict how much damage the components will sustain during the coupling process.
There are several ways to determine the optimal pressure angle for an involute spline. Involute splines are commonly measured using a pressure angle of 30 degrees. Similar to gears, involute splines are typically tested through a measurement over pins. This involves inserting specific-sized wires between gear teeth and measuring the distance between them. This method can tell whether the gear has a proper tooth profile.
The spline system shown in Figure 1 illustrates a vibration model. This simulation allows the user to understand how involute splines are used in coupling. The vibration model shows four concentrated mass blocks that represent the prime mover, the internal spline, and the load. It is important to note that the meshing deformation function represents the forces acting on these three components.
splineshaft

Stiffness of coupling

The calculation of stiffness of a spline coupling involves the measurement of its tooth engagement. In the following, we analyze the stiffness of a spline coupling with various types of teeth using two different methods. Direct inversion and blockwise inversion both reduce CPU time for stiffness calculation. However, they require evaluation submatrices. Here, we discuss the differences between these two methods.
The analytical model for spline couplings is derived in the second section. In the third section, the calculation process is explained in detail. We then validate this model against the FE method. Finally, we discuss the influence of stiffness nonlinearity on the rotor dynamics. Finally, we discuss the advantages and disadvantages of each method. We present a simple yet effective method for estimating the lateral stiffness of spline couplings.
The numerical calculation of the spline coupling is based on the semi-analytical spline load distribution model. This method involves refined contact grids and updating the compliance matrix at each iteration. Hence, it consumes significant computational time. Further, it is difficult to apply this method to the dynamic analysis of a rotor. This method has its own limitations and should be used only when the spline coupling is fully investigated.
The meshing force is the force generated by a misaligned spline coupling. It is related to the spline thickness and the transmitting torque of the rotor. The meshing force is also related to the dynamic vibration displacement. The result obtained from the meshing force analysis is given in Figures 7, 8, and 9.
The analysis presented in this paper aims to investigate the stiffness of spline couplings with a misaligned spline. Although the results of previous studies were accurate, some issues remained. For example, the misalignment of the spline may cause contact damages. The aim of this article is to investigate the problems associated with misaligned spline couplings and propose an analytical approach for estimating the contact pressure in a spline connection. We also compare our results to those obtained by pure numerical approaches.

Misalignment

To determine the centering force, the effective pressure angle must be known. Using the effective pressure angle, the centering force is calculated based on the maximum axial and radial loads and updated Dudley misalignment factors. The centering force is the maximum axial force that can be transmitted by friction. Several published misalignment factors are also included in the calculation. A new method is presented in this paper that considers the cam effect in the normal force.
In this new method, the stiffness along the spline joint can be integrated to obtain a global stiffness that is applicable to torsional vibration analysis. The stiffness of bearings can also be calculated at given levels of misalignment, allowing for accurate estimation of bearing dimensions. It is advisable to check the stiffness of bearings at all times to ensure that they are properly sized and aligned.
A misalignment in a spline coupling can result in wear or even failure. This is caused by an incorrectly aligned pitch profile. This problem is often overlooked, as the teeth are in contact throughout the involute profile. This causes the load to not be evenly distributed along the contact line. Consequently, it is important to consider the effect of misalignment on the contact force on the teeth of the spline coupling.
The centre of the male spline in Figure 2 is superposed on the female spline. The alignment meshing distances are also identical. Hence, the meshing force curves will change according to the dynamic vibration displacement. It is necessary to know the parameters of a spline coupling before implementing it. In this paper, the model for misalignment is presented for spline couplings and the related parameters.
Using a self-made spline coupling test rig, the effects of misalignment on a spline coupling are studied. In contrast to the typical spline coupling, misalignment in a spline coupling causes fretting wear at a specific position on the tooth surface. This is a leading cause of failure in these types of couplings.
splineshaft

Wear and fatigue failure

The failure of a spline coupling due to wear and fatigue is determined by the first occurrence of tooth wear and shaft misalignment. Standard design methods do not account for wear damage and assess the fatigue life with big approximations. Experimental investigations have been conducted to assess wear and fatigue damage in spline couplings. The tests were conducted on a dedicated test rig and special device connected to a standard fatigue machine. The working parameters such as torque, misalignment angle, and axial distance have been varied in order to measure fatigue damage. Over dimensioning has also been assessed.
During fatigue and wear, mechanical sliding takes place between the external and internal splines and results in catastrophic failure. The lack of literature on the wear and fatigue of spline couplings in aero-engines may be due to the lack of data on the coupling’s application. Wear and fatigue failure in splines depends on a number of factors, including the material pair, geometry, and lubrication conditions.
The analysis of spline couplings shows that over-dimensioning is common and leads to different damages in the system. Some of the major damages are wear, fretting, corrosion, and teeth fatigue. Noise problems have also been observed in industrial settings. However, it is difficult to evaluate the contact behavior of spline couplings, and numerical simulations are often hampered by the use of specific codes and the boundary element method.
The failure of a spline gear coupling was caused by fatigue, and the fracture initiated at the bottom corner radius of the keyway. The keyway and splines had been overloaded beyond their yield strength, and significant yielding was observed in the spline gear teeth. A fracture ring of non-standard alloy steel exhibited a sharp corner radius, which was a significant stress raiser.
Several components were studied to determine their life span. These components include the spline shaft, the sealing bolt, and the graphite ring. Each of these components has its own set of design parameters. However, there are similarities in the distributions of these components. Wear and fatigue failure of spline couplings can be attributed to a combination of the three factors. A failure mode is often defined as a non-linear distribution of stresses and strains.

China Hot selling Qt10-15 Supersonic Hydraulic Automatic Concrete Block Making Machine   differential drive shaftChina Hot selling Qt10-15 Supersonic Hydraulic Automatic Concrete Block Making Machine   differential drive shaft
editor by CX 2023-11-13

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