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Steel Bonded Titanium Carbide Guide Roller
Description

Steel bonded carbide kneading block/threaded sleeve 

 

 

 

Changsha Langfeng Metallic Material Co.,Ltd.

 

Product Introduction:

 

 

 

Threaded sleeve are divided into two types: ordinary type and locking type,can be screwed into the metal or

non-metallic materials in the threaded hole,to form a high strength, wear resistance,high temperature,seismic,

impact resistance,corrosion resistance of the standard M, MJ internal thread,and can disperse the stress,

protect the matrix thread, can improve the use of screw hole performance,extend the service life of parts.

 

 

Steel bonded carbide threaded sleeve: Widely used for feeding and conveying materials of mechanical equipment

parts,chemical, electronics,smelting,ngineering machinery.

 

As the kneading block of complex surface, processing is extremely difficult,currently the domestic and foreign

thread sleeve are made of steel,its hardness and wear resistance can not meet the needs of users;

 

 

Steel-based carbide thread sleeveas of its high hardness,high wear resistance at the same time have a good

overall mechanical properties and by the user's favorite,at present products are exported to the United States,

Germany,Italy, Japan,South Korea and other developed countries.Steel bonded carbide threaded sleeve has the

characteristics of transmission and stirring,which is widely used in chemical industry, electronics,smelting,engineering

machinery and other industries.

 

 

Kneading block is an important part of spline connection,spline shaft and spline sleeve with spline connection,spline

connection consists of inner splines and external splines.The inner and outer splines are multi-tooth parts,the splines

on the inner cylindrical surface are internal splines, and the splines on the outer cylindrical surface are external splines.

 

 

 

Spline connection according to the different teeth can be divided into rectangular spline and involute spline two categories.

According to the different height of the teeth, the rectangular spline of the tooth size in the standard provisions of the

two series,namely,light series and medium series.Light series carrying capacity is low,mostly for static or light load connection;

Medium series for medium load.Rectangular spline of the centering way for the small diameter centering, that is,

outside the spline and inside the spline of the small path for the mating surface.It is characterized by high precision

centering, good stability of the centering, grinding method can be used to eliminate the deformation caused by heat

treatment.Rectangular spline connections are the most widely used spline connections.Wide range of applications,such as aero engines,automobiles,gas turbines,machine tools,engineering machinery,tractors,agricultural machinery and

general mechanical transmissions,etc.

 

The involute spline tooth profile is involute,and the indexing circle pressure angle α is 30 ° and 45 °.The height of the teeth

is 0.5m and 0.4m (m is the modulus).The involute spline can be machined with the method of making the gear,

the process is good,and the manufacturing precision and interchangeability are easy to be obtained.


The orientation of the involute spline is centered.When the load on the radial force,can play a role in automatic centering,

is conducive to uniform force of each tooth,high strength,long life.For the larger load,centering accuracy requirements

and the larger size of the connection,such as aircraft engines,gas turbines,automobiles and so on.The horn of the 45 °

pressure angle is used for the connection of light loads,small diameters and thin parts.

Changsha Langfeng Metallic Material Co.,Ltd.

 

 

Product features:

 

 

1.Steel bonded carbide kneading block/threaded sleeve with very low coefficient of friction and self-lubricating

properties and good resistance to oxidation,corrosion resistance.

 

 

 

 

2.Steel bonded carbide kneading block/threaded sleeve with high hardness (quenching and tempering hardness up

to HRC60 ~ 72), high wear resistance,high impact resistance and good hardenability;The product is dispersed in a

large number of refractory metal carbide (titanium carbide), with a high hardness, greatly improving the wear

resistance of the product.While it also has the advantages of heat treatment and weldability,with a lower heat

treatment deformation rate, a substantial increase in the mechanical properties of the threaded sleeve.

 

 

 

3.Steel bonded carbide kneading block/threaded sleeve with good mechanical processing,can use ordinary mechanical

processing equipment and tools for vehicles,milling,planing,drilling,grinding and other ways of processing.

 

 

 

 

4.Steel bonded carbide kneading block/threaded sleeve has a high elastic modulus and rigidity and excellent damping

characteristics, can eliminate itself and even the machine caused by vibration, is a good rigidity of the seismic tools and parts.

 

 

 

 

 

5.Steel bonded carbide kneading block/threaded sleeve with malleable.Can change its appearance and size through forging

,improve the internal structure of the material,thereby enhancing its performance.

 

 

 

6.Steel bonded carbide kneading block/threaded sleeve has a good impact toughness and excellent cost-effective,compared

with tungsten cobalt cemented carbide,steel alloy density is low,6.5g / cm3 or so,have a good price advantage.

 

 

Changsha Langfeng Metallic Material Co.,Ltd.

 

 

 

 

The company’s advantage of steel bonded carbide kneading block/ threaded sleeve

 

The use of self-customized production of high-purity titanium carbide as raw materials, the company's independent

research and development of steel bonded carbide kneading block/ threaded sleeve of additive formulations and

liquid sintering process technology to ensure that the steel bonded carbide kneading block/ threaded sleeve of fatal,

wear-resistant performance, very low coefficient of friction, high self-lubricating properties and better anti-oxidation,

corrosion resistance. Product quality and stability, steel bonded carbide  kneading block/ internal spline sleeve of

production technology in the world's leading level.

 

Product Specifications


 

Grade

 

 

Steel base type
Hard phase

Density G/cm3

Hardness

 

Strength

Mpa

Lacunarity

 

AnnealingHRC
Quenching
HRA

GT35

Tool steel

 

TiC

6.5

46

86

1600

A04B00

The above is the typical value

Changsha Langfeng Metallic Material Co.,Ltd.

 

 

Applications:


 

1, screw components - kneading block/ threaded sleeve,  internal spline sleeve used to feed and transport materials,

mechanical equipment parts. The plasticizing, mixing and dispersing of the material is carried out by means of kneading

blocks. For different materials, the effect of mixing, shearing and dispersing can be adjusted by changing the thickness

and angle of the kneading disc. At the end of each screw mandrel, there is a screw back, which fixes the screw elements

on the mandrel to prevent them from moving axially. Each mandrel is connected by means of a spline sleeve and an

output shaft of the gearbox. There is a screw seal at the end of the screw to prevent the material from flowing back in

the direction of the gearbox.

 

 

 

2, steel bonded carbide carbide kneading block/ threaded sleeve used in cold stamping die, currently in a car parts factory

has been a very good use and verification of its life greatly improved, the service life comparison is as follows:

 

 

 

Name

 

 

Processing of materials

Tool material

Working life

ser place

Remark

threaded sleeve

Chemical raw materials for silicon materials

T10 steel

3set/1 month

Japan

Working life increased by 10 tims

GT35

1sets/3 months

 

3, widely used in chemical, electronics, metallurgy, engineering machinery and other industries spare parts.


Mainly for a variety of low-strength metal and non-metallic materials (such as aluminum, magnesium, cast iron and 
other low-strength light alloy materials and plastic, rubber, MDF, bakelite, ceramics, glass, wood and other low-strength 
engineering materials) , Can significantly improve the thread, kneading block connection strength and wear resistance; 
to prevent thread loosening, sliding teeth; repair damaged internal screw hole.

 

 

1, to enhance the strength of the product thread.




Typical applications: high-voltage switch gear, hydraulic machinery, tobacco machinery, microwave communications, 
auto parts, air separation equipment, coal, power machinery, textile and chemical fiber machinery.

 

 


2, when the screw hole processing error or damaged internal screw hole repair, the use of threaded jacket as a repair means,
 without increasing the weight and volume of the case, can quickly and economically repair parts, the original thread size 
without changing The typical applications: such as injection molding machine screw hole repair, engine cylinder screw hole repair.




3, the use of threaded sets of metric ← → inch threaded hole conversion.






Typical applications: Imported equipment or machinery Inch thread due to spare parts supply problems need to be 
converted to metric threads.

Changsha Langfeng Metallic Material Co.,Ltd.

 

 

Steel bonded carbide cutting sleeve tapping process:

 

 

1. Using three-edged high-carbon steel taps, machine attack or hand attack (dry).

2. The bottom hole should be properly enlarged (see table).

3. Tapping process, pay attention to often retreat chip removal, so as not to tape stuck or broken.

Tap Size(mm)

Alloy base hole (mm)

Tap Size(mm)

Alloy base hole (mm)

M3

Φ2.5

M8

Φ6.9

M4

Φ3.4-3.5

M10

Φ8.8

M5

Φ4.3-4.4

M12

Φ10.8

M6

Φ5.2

M14

Φ12.2

Steel bonded carbide threaded sleeve heat treatment process parameters

 

 

Note 1: Effective size of the workpiece * 2.5 Calculated by MM. Note 2: The sample is coated with graphite particles during quenching and heating

 

Grade

 

 

Quenching temperature

Heat preservation

Cooling medium

Tempering temperature

Heat permeability

(min/mm)

Holding time

(min)

GT35

980-1020

2.5-3.0

Effective size of workpiece * Heat permeability

 

20# Oil

150-200

 

Note 1: Effective size of the workpiece * 2.5 Calculated by MM.

Note 2: The sample is coated with graphite particles during quenching and hold heating

 

Steel-bonded carbide thread grinding process parameters:


 

Note 1: Effective size of the workpiece * 2.5 Calculated by MM. Note 2: The sample is coated with graphite particles during quenching and heating

 

 

IMG_261

Grade

Quenching temperature

Heat preservation

Cooling medium

Tempering temperature

Heat permeability

(min/mm)

Holding time

(min)

GT35

980-1020

2.5-3.0

Effective size of workpiece * Heat permeability

 

20# Oil

150-200

 

Note 1: Effective size of the workpiece * 2.5 Calculated by MM.

Note 2: The sample is coated with graphite particles during quenching and hold heating

 

 

 Steel-bonded carbide thread grinding process parameters:

 

Process content

 

Grinding speed

Grinding depth

Feed rate mm/

Grinding wheel

Name

Grade

Grinding processing

 

15-25

0.01-0.02

0.01

120mesh -200mesh

 Steel-based carbide cutting sleeve installation method:

1, drilling: the damaged thread with a drill cut
2, tapping: with a special wire tapping in the hole has been tapped tapping
3, the installation: a special installation tool to pull the jacket with a gentle force down into the screw hole until the sheath line and the workpiece plane distance of not more than 1/4 to 1/2 circle between.
4, horizontal cut off: When the workpiece is through the hole should be installed when the tool, and then cross on the horizontal line, and then forced to beat, the horizontal line break. In the blind hole can not cut off the line.

Specification
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