China Od 1200mm to 9000mm Zg42crmo Half Gear for Cement Mill by Sand Casting worm gear winch

Product Description

Product Parameters

 Material:ZG42CrMo

Materials C Si Mn P S Cr Mo
ZG42CrMo .38-.43 .15-.35 .seventy five-1.00 ≤0.035 ≤0.035 0.eighty-1.ten 0.15-.twenty five

 

GB ISO ASTM JIS EN GOST
ZG42CrMo 42CrMo4 4140 SCM440 EN42CrMo4 38XM

 

Merchandise Common
Casting Content EN 15713/EN 10571/BS 3100/DIN 1681/DIN17205
Casting Tolerance in Blank ISO 8062 CT 13
Dimension Tolerance DIN ISO 2768m
NDT ASTM A609 Level 2 or 3 /EN 12680/ASTM E94 Level 2 or three
Heat Therapy Normalizing+Tempering+Quenching
Hardness As Required

 

Firm Profile

Haian CZPT Casting Co.,Ltd. is proven in 2003 in CZPT City.

In 2007,we moved our factory to Sunzhuang city and now we can provide bigger steel castings with max. fat forty five tons.

In 2011,we built a new sand mould maiking workshop with 120 tons refinining CZPT and the max. excess weight can be 120 tons.

In 2013,we compensated a lot more attenion on the castings for shipbuilding and started out to provide marine castings for most of domestic well-known shipyards.

From 2013 to 2571,we acquired a lot more and a lot more devices to bolster our capacity from tough machining to completed machining.

In 2571,we constructed one more new sand mould generating workshop for the swift development of market place requirement.

Now we regular monthly provide 6000 tons different castings for various buyers of distinct sector,such as cement mill,shipubuilding,petroleum equipment,rolling mill,forging push and so on.

Prdocution Process

one.Quotation
When we receive the drawing and technical prerequisite from customer,
we will firslty verify no matter whether we can fulfill customers’ need,
then we will enter the info to our ERP sytem for calculationg the value.
For urgent enquiry,we can get the price with 24 hrs,
normally it will be 48 several hours.

2.Patern Generating

We have our possess picket sample producing workshop.
But our business is often hectic,
we also have all around 10 sub-contractors for pattern creating.
They support us for the pattern but will be inspected according to our guidelines.
We will record for every pattern inspection.

3.Sand Core Creating

We have close to eighty technicans for sand core producing which is divided into close to 10 groups.
Most of the technicans has more than ten years’ experience.

Most of the sand core is manufactured by silica sand with frequent sand within of it.
The common sand will be used repeatly.
For some essential position,this kind of as R corner,we will use chorme ore sand.

The outside the house of the sand core,we will do the portray,melt away and thoroughly clean it.

We will assemble diffrent sand cores with each other and hold out for pouring.

four.Meltinig and Pouring
We usually do the melting following mid-night for less costly electric charge.
And we generally do pouring in the early early morning.

No. Products Title Quantity(Set)
1 25 tons Electrical Arc Furnace one
2 50 tons Intermediate Frequency Furnace 2
3 one hundred twenty tons Refining Furnace 1
four 120 tons VD Furnace 2

5.Cooling
When we do pouring,we will also verify the chemical compositon.

After pouring,we will hold out for diverse time for cooling in accordance to casting’s weight.

Product Weight in blank(Metric Tons) Cooling Time(Hour)
1 <25 forty eight
2 >25-forty seventy two
three >40-fifty five ninety six
four >55-72 120
five >72-96 one hundred forty four
6 >96-115 168
7 >115 192

six.Warmth treatment method

The highest size of the heat remedy CZPT is 12m*9m*6m.
The size also choose the max. dimensions we can make for the casting.

We only can do normalizing and tempering.
The quenching CZPT will be accomplished by our sub-contactor.

Reducing the riser,we pick thermal chopping technique.

After warmth therapy,we will do the mechanical residence check.

7.Attract the Line and 1st Rough Machining


eight.Firstly NDT soon after Rough Machining

9.Welding Restore
We have prosperous encounter for producing support roller,
then there is no welding for the outside the house operating position.
This is our special technological innovation.

But for some other castings,if we do the welding fix,
we will do the tempering for anxiety reduction later.

All of our welders have the SGS certficate.

ten.Ultimate Machining
We have a good deal of vertical lathes from 2.5m to 10m.

Certifications

We get acceptance from CNAS for our laboratory.
We also have 9 course certificate,these kinds of as Abs,DNV,NK,RINA,KR,CCS,BV and so on.

Packaging & Shipping

We do the packing by ourself with some iron assistance.

Right after Income Services

Usually the consumers will appear and inspect the goods before shipment.

Or the good quality for castings following rough machining is alright,
but discover some flaws when the buyers do the ultimate machining,
we will check what the difficulty is in accordance to customers’ feedback.
 

 

 

 

US $2,000-3,000
/ Ton
|
20 Tons

(Min. Order)

###

Type: Chemical Hardening Sand
Casting Method: Directional Crystallization
Sand Core Type: Sodium Silicate Sand Core
Application: Machinery Parts
Machining: Boring Machine
Material: Steel

###

Samples:
US$ 20/kg
1 kg(Min.Order)

|
Request Sample

###

Customization:

###

Material C Si Mn P S Cr Mo
ZG42CrMo 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.035 ≤0.035 0.80-1.10 0.15-0.25

###

GB ISO ASTM JIS EN GOST
ZG42CrMo 42CrMo4 4140 SCM440 EN42CrMo4 38XM

###

Item Standard
Casting Material EN 10293/EN 10025/BS 3100/DIN 1681/DIN17205
Casting Tolerance in Blank ISO 8062 CT 13
Size Tolerance DIN ISO 2768m
NDT ASTM A609 Level 2 or 3 /EN 12680/ASTM E94 Level 2 or 3
Heat Treatment Normalizing+Tempering+Quenching
Hardness As Required

###

No. Equipment Name Quantity(Set)
1 25 tons Electrical Arc Furnace 1
2 50 tons Intermediate Frequency Furnace 2
3 120 tons Refining Furnace 1
4 120 tons VD Furnace 2

###

Item Weight in blank(Metric Tons) Cooling Time(Hour)
1 <25 48
2 >25-40 72
3 >40-55 96
4 >55-72 120
5 >72-96 144
6 >96-115 168
7 >115 192
US $2,000-3,000
/ Ton
|
20 Tons

(Min. Order)

###

Type: Chemical Hardening Sand
Casting Method: Directional Crystallization
Sand Core Type: Sodium Silicate Sand Core
Application: Machinery Parts
Machining: Boring Machine
Material: Steel

###

Samples:
US$ 20/kg
1 kg(Min.Order)

|
Request Sample

###

Customization:

###

Material C Si Mn P S Cr Mo
ZG42CrMo 0.38-0.43 0.15-0.35 0.75-1.00 ≤0.035 ≤0.035 0.80-1.10 0.15-0.25

###

GB ISO ASTM JIS EN GOST
ZG42CrMo 42CrMo4 4140 SCM440 EN42CrMo4 38XM

###

Item Standard
Casting Material EN 10293/EN 10025/BS 3100/DIN 1681/DIN17205
Casting Tolerance in Blank ISO 8062 CT 13
Size Tolerance DIN ISO 2768m
NDT ASTM A609 Level 2 or 3 /EN 12680/ASTM E94 Level 2 or 3
Heat Treatment Normalizing+Tempering+Quenching
Hardness As Required

###

No. Equipment Name Quantity(Set)
1 25 tons Electrical Arc Furnace 1
2 50 tons Intermediate Frequency Furnace 2
3 120 tons Refining Furnace 1
4 120 tons VD Furnace 2

###

Item Weight in blank(Metric Tons) Cooling Time(Hour)
1 <25 48
2 >25-40 72
3 >40-55 96
4 >55-72 120
5 >72-96 144
6 >96-115 168
7 >115 192

Helical, Straight-Cut, and Spiral-Bevel Gears

If you are planning to use bevel gears in your machine, you need to understand the differences between Helical, Straight-cut, and Spiral bevel gears. This article will introduce you to these gears, as well as their applications. The article will also discuss the benefits and disadvantages of each type of bevel gear. Once you know the differences, you can choose the right gear for your machine. It is easy to learn about spiral bevel gears.
gear

Spiral bevel gear

Spiral bevel gears play a critical role in the aeronautical transmission system. Their failure can cause devastating accidents. Therefore, accurate detection and fault analysis are necessary for maximizing gear system efficiency. This article will discuss the role of computer aided tooth contact analysis in fault detection and meshing pinion position errors. You can use this method to detect problems in spiral bevel gears. Further, you will learn about its application in other transmission systems.
Spiral bevel gears are designed to mesh the gear teeth more slowly and appropriately. Compared to straight bevel gears, spiral bevel gears are less expensive to manufacture with CNC machining. Spiral bevel gears have a wide range of applications and can even be used to reduce the size of drive shafts and bearings. There are many advantages to spiral bevel gears, but most of them are low-cost.
This type of bevel gear has three basic elements: the pinion-gear pair, the load machine, and the output shaft. Each of these is in torsion. Torsional stiffness accounts for the elasticity of the system. Spiral bevel gears are ideal for applications requiring tight backlash monitoring and high-speed operations. CZPT precision machining and adjustable locknuts reduce backlash and allow for precise adjustments. This reduces maintenance and maximizes drive lifespan.
Spiral bevel gears are useful for both high-speed and low-speed applications. High-speed applications require spiral bevel gears for maximum efficiency and speed. They are also ideal for high-speed and high torque, as they can reduce rpm without affecting the vehicle’s speed. They are also great for transferring power between two shafts. Spiral bevel gears are widely used in automotive gears, construction equipment, and a variety of industrial applications.

Hypoid bevel gear

The Hypoid bevel gear is similar to the spiral bevel gear but differs in the shape of the teeth and pinion. The smallest ratio would result in the lowest gear reduction. A Hypoid bevel gear is very durable and efficient. It can be used in confined spaces and weighs less than an equivalent cylindrical gear. It is also a popular choice for high-torque applications. The Hypoid bevel gear is a good choice for applications requiring a high level of speed and torque.
The Hypoid bevel gear has multiple teeth that mesh with each other at the same time. Because of this, the gear transmits torque with very little noise. This allows it to transfer a higher torque with less noise. However, it must be noted that a Hypoid bevel gear is usually more expensive than a spiral bevel gear. The cost of a Hypoid bevel gear is higher, but its benefits make it a popular choice for some applications.
A Hypoid bevel gear can be made of several types. They may differ in the number of teeth and their spiral angles. In general, the smaller hypoid gear has a larger pinion than its counterpart. This means that the hypoid gear is more efficient and stronger than its bevel cousin. It can even be nearly silent if it is well lubricated. Once you’ve made the decision to get a Hypoid bevel gear, be sure to read up on its benefits.
Another common application for a Hypoid bevel gear is in automobiles. These gears are commonly used in the differential in automobiles and trucks. The torque transfer characteristics of the Hypoid gear system make it an excellent choice for many applications. In addition to maximizing efficiency, Hypoid gears also provide smoothness and efficiency. While some people may argue that a spiral bevel gear set is better, this is not an ideal solution for most automobile assemblies.
gear

Helical bevel gear

Compared to helical worm gears, helical bevel gears have a small, compact housing and are structurally optimized. They can be mounted in various ways and feature double chamber shaft seals. In addition, the diameter of the shaft and flange of a helical bevel gear is comparable to that of a worm gear. The gear box of a helical bevel gear unit can be as small as 1.6 inches, or as large as eight cubic feet.
The main characteristic of helical bevel gears is that the teeth on the driver gear are twisted to the left and the helical arc gears have a similar design. In addition to the backlash, the teeth of bevel gears are twisted in a clockwise and counterclockwise direction, depending on the number of helical bevels in the bevel. It is important to note that the tooth contact of a helical bevel gear will be reduced by about ten to twenty percent if there is no offset between the two gears.
In order to create a helical bevel gear, you need to first define the gear and shaft geometry. Once the geometry has been defined, you can proceed to add bosses and perforations. Then, specify the X-Y plane for both the gear and the shaft. Then, the cross section of the gear will be the basis for the solid created after revolution around the X-axis. This way, you can make sure that your gear will be compatible with the pinion.
The development of CNC machines and additive manufacturing processes has greatly simplified the manufacturing process for helical bevel gears. Today, it is possible to design an unlimited number of bevel gear geometry using high-tech machinery. By utilizing the kinematics of a CNC machine center, you can create an unlimited number of gears with the perfect geometry. In the process, you can make both helical bevel gears and spiral bevel gears.

Straight-cut bevel gear

A straight-cut bevel gear is the easiest to manufacture. The first method of manufacturing a straight bevel gear was to use a planer with an indexing head. Later, more efficient methods of manufacturing straight bevel gears were introduced, such as the Revacycle system and the Coniflex system. The latter method is used by CZPT. Here are some of the main benefits of using a straight-cut bevel gear.
A straight-cut bevel gear is defined by its teeth that intersect at the axis of the gear when extended. Straight-cut bevel gears are usually tapered in thickness, with the outer part being larger than the inner portion. Straight-cut bevel gears exhibit instantaneous lines of contact, and are best suited for low-speed, static-load applications. A common application for straight-cut bevel gears is in the differential systems of automobiles.
After being machined, straight-cut bevel gears undergo heat treatment. Case carburizing produces gears with surfaces of 60-63 Rc. Using this method, the pinion is 3 Rc harder than the gear to equalize wear. Flare hardening, flame hardening, and induction hardening methods are rarely used. Finish machining includes turning the outer and inner diameters and special machining processes.
The teeth of a straight-cut bevel gear experience impact and shock loading. Because the teeth of both gears come into contact abruptly, this leads to excessive noise and vibration. The latter limits the speed and power transmission capacity of the gear. On the other hand, a spiral-cut bevel gear experiences gradual but less-destructive loading. It can be used for high-speed applications, but it should be noted that a spiral-cut bevel gear is more complicated to manufacture.
gear

Spur-cut bevel gear

CZPT stocks bevel gears in spiral and straight tooth configurations, in a range of ratios from 1.5 to five. They are also highly remachinable except for the teeth. Spiral bevel gears have a low helix angle and excellent precision properties. CZPT stock bevel gears are manufactured using state-of-the-art technologies and know-how. Compared with spur-cut gears, these have a longer life span.
To determine the strength and durability of a spur-cut bevel gear, you can calculate its MA (mechanical advantage), surface durability (SD), and tooth number (Nb). These values will vary depending on the design and application environment. You can consult the corresponding guides, white papers, and technical specifications to find the best gear for your needs. In addition, CZPT offers a Supplier Discovery Platform that allows you to discover more than 500,000 suppliers.
Another type of spur gear is the double helical gear. It has both left-hand and right-hand helical teeth. This design balances thrust forces and provides extra gear shear area. Helical gears, on the other hand, feature spiral-cut teeth. While both types of gears may generate significant noise and vibration, helical gears are more efficient for high-speed applications. Spur-cut bevel gears may also cause similar effects.
In addition to diametral pitch, the addendum and dedendum have other important properties. The dedendum is the depth of the teeth below the pitch circle. This diameter is the key to determining the center distance between two spur gears. The radius of each pitch circle is equal to the entire depth of the spur gear. Spur gears often use the addendum and dedendum angles to describe the teeth.

China Od 1200mm to 9000mm Zg42crmo Half Gear for Cement Mill by Sand Casting     worm gear winchChina Od 1200mm to 9000mm Zg42crmo Half Gear for Cement Mill by Sand Casting     worm gear winch
editor by czh 2022-11-25