China Standard MD1420hx800 – 200*800mm Large Diameter High Precision CZPT Cylindrical Grinding Machine with Free Design Custom

Product Description

1. Picture
2. Parameters

Main Specification MD1420HX800
External Cylindrical Grinding Capacity (dia.*L) Ø8~Ø200mm*800mm
Internal Cylindrical Grinding Capacity (dia.*L) Ø30~Ø100mm*125mm
Max. Workpiece Weight 50kgs
Center Height 135mm
Center Distance 800mm
Table Longitudinal Travel 650-950mm
Table Longitudinal Feeding Speed 100~4000mm/min
Table Swivel clockwise 5/3°~anticlockwise 7°
Headstock Center Taper MT4#
Headstock Motor 0.75kW
Headstock Spindle Speed 25~380rpm (50Hz) variable
Wheelhead Spindle Motor 4kW
Wheelhead Spindle Speed 1670rpm
Wheelhead Transverse Travel 200mm
Wheelhead Transverse Feed per Handwheel Graduation 0.005mm
Wheelhead Transverse Feed per Handwheel Revolution 1mm
External Grinding Wheel Size (O.D.*thickness*I.D.) max. Ø400*50*Ø203mm
min. Ø280*50*Ø203mm
External Grinding Wheel Linear Speed max. 35000mm/s
Internal Grinding Wheel Size (O.D.*thickness*I.D.) max. Ø50*16*Ø40mm
min. Ø45*10*Ø35mm
Internal Grinding Wheel Spindle Speed 14000rpm
Tailstock Center Taper MT4#
Tailstock Quill Travel 25mm
Gross Weight ≈ 2400/2700kgs
Packaging Dimension(L*W*H) ≈ 3100*1600*1700mm

3. Standard Accessories

1 Grinding wheel 2 Wheel flange
3 Wheel balancing base 4 Wheel balancing arbor
5 Extractor 6 Diamond dresser
7 Leveling pad 8 Anchor bolt
9 Tool box with tools 10 Open type steady rest 
11 Cooling system 12 Measuring brindge-plate

4. Feature
   
MD1420HX800
   High Precision Semi-auto Universal Cylindrical Grinder
   Max. Grinding Diameter: Φ 200mm
   Max. Grinding Length: 800mm
   The macchine tool headtock hole diameter 52mm and 85mm,grinding can directly handle larger parts,also can chuck and other hydraulic and as is arranged on the movable fixture,clamping parts for grinding.Headrest drive optional frequency motor or servo motor.

Features of Structure and Performance

  •  The hydraulic driving system adopts screw pump, so the machine can run smoothly with low noise.
  •  The wheel head uses sleeve-type hydrodynamic bearing, gaining the features of high rotation precision and rigidity.
  •  The feeding guideway uses plastic-coated  (Teflon) guideway, improving the stability and vibration resistance in low-speed running.
  •  The machine has the following features: high machining accuracy, rational overall layout, attractive appearance, centralized and visualized operating handles, and simple and safe operation.

Application of the Machine

  Application .
The machine is used for the external and internal surface grinding of cylindrical and conical workpieces.

 Scope of application
The machine is suitable for the high precision grinding of batched shafts and sleeves, etc. It’s widely used in the industry of automobile, engines, glibs and pumps, compressor, electron, tools, etc. machining of small-lot shafts and sleeve parts in the machining workshop, tool workshop,overhaul workshop, etc.
Ou machine is used for mirror grinding.

 Operation mode
 Manual operation: longitudinal grinding, plunge-cutting grinding.

 Fixed-distance semi-automatic grinding cycle: longitudinal & plunge-cutting grinding cycle.

 Automatic gauge controlling semi-automatic grinding cycle: longitudinal & plunge-cutting grinding cycle.

 

5. Company & Factory
      HangZhou CD Machinery Co., Ltd. is located in the beautiful city of HangZhou, about 100 kilometers away from ZheJiang .Our main products are : CNC grinding Machine ,CNC Milling Machine ,Vertical Machining Center ,Lathe Machine ,Drilling Machine ,Milling Machine and others metal cutting machine tools .All the products above have passed CE ,ISO certificates .Our company formed a good CZPT relationship with domestic and foreign sales agents.Our company not only has formed a mature sales network in China, but also signed sales agency contracts with copanies from more than 30 foreign countries, and our machines has been exporting to Europe, Asia, Africa, South America, North America, Australia and other zones ,and have been trusted and praised by vast number of users. Our company focuses on strict and effective management,system, strict audit machines’ quality ,try not to let out a detail, and make the machines more refined and finer .Service is our CZPT theme of the pursuit.Our company can also procide OEM and ODM service .Is always adhering to the “QUALITY IS THE FIRST” purposes, to provide better quality machines ,more efficient and thoughtful after-sale service to customers . With your support, we will make great progress. Let’s join hands and create a better future!
      Welcome to visit us!

6. Dellivery Picture

7. FAQ
    Q: Are you trading company or manufacture?
     A: We are factory.
    Q: How long is your delivery time?
     A: Generally it is 10~20 days if the goods are in stock.Or it is 30~60 days if the goods aer not in stock,according to your quantity.
    Q: Do you provide samples?is it free or extra?
    A: Yes,we could offer the sample,but need extra cost.
    Q: What is your terms or payment?
    A: 30% T/T in advance,balance before shippment.
 

The Different Types of Splines in a Splined Shaft

A splined shaft is a machine component with internal and external splines. The splines are formed in 4 different ways: Involute, Parallel, Serrated, and Ball. You can learn more about each type of spline in this article. When choosing a splined shaft, be sure to choose the right 1 for your application. Read on to learn about the different types of splines and how they affect the shaft’s performance.
splineshaft

Involute splines

Involute splines in a splined shaft are used to secure and extend mechanical assemblies. They are smooth, inwardly curving grooves that resist separation during operation. A shaft with involute splines is often longer than the shaft itself. This feature allows for more axial movement. This is beneficial for many applications, especially in a gearbox.
The involute spline is a shaped spline, similar to a parallel spline. It is angled and consists of teeth that create a spiral pattern that enables linear and rotatory motion. It is distinguished from other splines by the serrations on its flanks. It also has a flat top. It is a good option for couplers and other applications where angular movement is necessary.
Involute splines are also called involute teeth because of their shape. They are flat on the top and curved on the sides. These teeth can be either internal or external. As a result, involute splines provide greater surface contact, which helps reduce stress and fatigue. Regardless of the shape, involute splines are generally easy to machine and fit.
Involute splines are a type of splines that are used in splined shafts. These splines have different names, depending on their diameters. An example set of designations is for a 32-tooth male spline, a 2,500-tooth module, and a 30 degree pressure angle. An example of a female spline, a fillet root spline, is used to describe the diameter of the splined shaft.
The effective tooth thickness of splines is dependent on the number of keyways and the type of spline. Involute splines in splined shafts should be designed to engage 25 to 50 percent of the spline teeth during the coupling. Involute splines should be able to withstand the load without cracking.

Parallel splines

Parallel splines are formed on a splined shaft by putting 1 or more teeth into another. The male spline is positioned at the center of the female spline. The teeth of the male spline are also parallel to the shaft axis, but a common misalignment causes the splines to roll and tilt. This is common in many industrial applications, and there are a number of ways to improve the performance of splines.
Typically, parallel splines are used to reduce friction in a rotating part. The splines on a splined shaft are narrower on the end face than the interior, which makes them more prone to wear. This type of spline is used in a variety of industries, such as machinery, and it also allows for greater efficiency when transmitting torque.
Involute splines on a splined shaft are the most common. They have equally spaced teeth, and are therefore less likely to crack due to fatigue. They also tend to be easy to cut and fit. However, they are not the best type of spline. It is important to understand the difference between parallel and involute splines before deciding on which spline to use.
The difference between splined and involute splines is the size of the grooves. Involute splines are generally larger than parallel splines. These types of splines provide more torque to the gear teeth and reduce stress during operation. They are also more durable and have a longer life span. And because they are used on farm machinery, they are essential in this type of application.
splineshaft

Serrated splines

A Serrated Splined Shaft has several advantages. This type of shaft is highly adjustable. Its large number of teeth allows large torques, and its shorter tooth width allows for greater adjustment. These features make this type of shaft an ideal choice for applications where accuracy is critical. Listed below are some of the benefits of this type of shaft. These benefits are just a few of the advantages. Learn more about this type of shaft.
The process of hobbing is inexpensive and highly accurate. It is useful for external spline shafts, but is not suitable for internal splines. This type of process forms synchronized shapes on the shaft, reducing the manufacturing cycle and stabilizing the relative phase between spline and thread. It uses a grinding wheel to shape the shaft. CZPT Manufacturing has a large inventory of Serrated Splined Shafts.
The teeth of a Serrated Splined Shaft are designed to engage with the hub over the entire circumference of the shaft. The teeth of the shaft are spaced uniformly around the spline, creating a multiple-tooth point of contact over the entire length of the shaft. The results of these analyses are usually satisfactory. But there are some limitations. To begin with, the splines of the Serrated Splined Shaft should be chosen carefully. If the application requires large-scale analysis, it may be necessary to modify the design.
The splines of the Serrated Splined Shaft are also used for other purposes. They can be used to transmit torque to another device. They also act as an anti-rotational device and function as a linear guide. Both the design and the type of splines determine the function of the Splined Shaft. In the automobile industry, they are used in vehicles, aerospace, earth-moving machinery, and many other industries.

Ball splines

The invention relates to a ball-spinned shaft. The shaft comprises a plurality of balls that are arranged in a series and are operatively coupled to a load path section. The balls are capable of rolling endlessly along the path. This invention also relates to a ball bearing. Here, a ball bearing is 1 of the many types of gears. The following discussion describes the features of a ball bearing.
A ball-splined shaft assembly comprises a shaft with at least 1 ball-spline groove and a plurality of circumferential step grooves. The shaft is held in a first holding means that extends longitudinally and is rotatably held by a second holding means. Both the shaft and the first holding means are driven relative to 1 another by a first driving means. It is possible to manufacture a ball-splined shaft in a variety of ways.
A ball-splined shaft features a nut with recirculating balls. The ball-splined nut rides in these grooves to provide linear motion while preventing rotation. A splined shaft with a nut that has recirculating balls can also provide rotary motion. A ball splined shaft also has higher load capacities than a ball bushing. For these reasons, ball splines are an excellent choice for many applications.
In this invention, a pair of ball-spinned shafts are housed in a box under a carrier device 40. Each of the 2 shafts extends along a longitudinal line of arm 50. One end of each shaft is supported rotatably by a slide block 56. The slide block also has a support arm 58 that supports the center arm 50 in a cantilever fashion.
splineshaft

Sector no-go gage

A no-go gauge is a tool that checks the splined shaft for oversize. It is an effective way to determine the oversize condition of a splined shaft without removing the shaft. It measures external splines and serrations. The no-go gage is available in sizes ranging from 19mm to 130mm with a 25mm profile length.
The sector no-go gage has 2 groups of diametrally opposed teeth. The space between them is manufactured to a maximum space width and the tooth thickness must be within a predetermined tolerance. This gage would be out of tolerance if the splines were measured with a pin. The dimensions of this splined shaft can be found in the respective ANSI or DIN standards.
The go-no-go gage is useful for final inspection of thread pitch diameter. It is also useful for splined shafts and threaded nuts. The thread of a screw must match the contour of the go-no-go gage head to avoid a no-go condition. There is no substitute for a quality machine. It is an essential tool for any splined shaft and fastener manufacturer.
The NO-GO gage can detect changes in tooth thickness. It can be calibrated under ISO17025 standards and has many advantages over a non-go gage. It also gives a visual reference of the thickness of a splined shaft. When the teeth match, the shaft is considered ready for installation. It is a critical process. In some cases, it is impossible to determine the precise length of the shaft spline.
The 45-degree pressure angle is most commonly used for axles and torque-delivering members. This pressure angle is the most economical in terms of tool life, but the splines will not roll neatly like a 30 degree angle. The 45-degree spline is more likely to fall off larger than the other two. Oftentimes, it will also have a crowned look. The 37.5 degree pressure angle is a compromise between the other 2 pressure angles. It is often used when the splined shaft material is harder than usual.

China Standard MD1420hx800 - 200*800mm Large Diameter High Precision CZPT Cylindrical Grinding Machine     with Free Design CustomChina Standard MD1420hx800 - 200*800mm Large Diameter High Precision CZPT Cylindrical Grinding Machine     with Free Design Custom

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