Jingwei ( JW ) Brand Large number of Holes Spinning jet Nozzle Spinneret

STRUCTURAL SKETCH

PRODUCT MATERIAL

Ta or Au-Pt, and Pt : Au is 3 : 7.

TECHNICAL QUALIFICATION PARAMETER

1 Test pressure of spinneret, see this table.(MPa)

2 Spinneret finished hardness is more than HV180.

Note: the weight of the test is 0.98N and the holding time is 15s.

3 Surface roughness

a. Spinneret surface roughness Rz ≤ 0.4μmm

b. The rest of the surface roughness Rz ≤ 3.2μmm

4 Naked eye significantly pits, scars, creases and wavy are not allowed in the surface hole area of the spinneret which spinning short filament , non porous area allows a few defects.

The spinneret surface of spinning long filament is not allowed to be defective.

Note:

a. The hole area refers to the inner side of the hole group, and the edge of the outermost hole of the hole group adds a pitch-row to the enclosed area.

b. In addition to the above areas, the rest section is nonporous area.

5 For the hat-shaped spinneret, the flatness tolerance of the spinneret surface and the edge of the hat is shown in following table. (mm)

6 The spinneret holes are arranged evenly, and the straightness tolerance of the channel is 0.15mm.

A. For hat shape spinnerets, the deviation of the spinneret circle distance and the deviation of the same pitch hole distance both are ±0.03mm;

B. For tile-shape spinnerets, the deviation of the distance between the adjacent spinneret holes is ±0.05mm.

C. For tile-shape spinnerets, the spinneret punching zone is symmetrically distributed on the spinneret, and the symmetry tolerance is 0.50mm.

7 Spinneret thickness b, when spinneret surface area is not less than 1256mm²: allows a place of 0.02mm per 100mm² in the ultra poor; when the total area is not less than 4298mm²,  allows a place of 0.02mm per 100mm² in the ultra poor.

8 The spinneret hole-shape and bore diameter tolerance

8.1 The circular tolerance of spinneret hole is 0.003mm, and the circularity tolerance of viscose filament spinneret hole is 0.002mm.

8.2 In addition to viscose filament spinneret, the total number of defective holes is not greater than 30% of the total number of holes.

8.2.1 The total number of holes whose deviation on spinneret hole d over 0.002mm, is no more than 3‰ of the total hole number.

8.2.2 Aperture deviation from 0.006~0.5dmm discontinuities is no larger than 0.1‰of the total hole number.

8.2.3 The burr hole number is less than 2% of the total number of holes, for burr height is less than or equal to 0.003m.

8.2.4 polygon, notch and jagged hole (defects value less than 0.015mm), is not more than 1% of the total number of holes.

8.2.5 Oblique hole whose value A is less than or equal to 0.005mm , must be less than 30% of the total number of holes.

a. coincidence (1) is the positive hole:

b. coincidence type (2) is an oblique hole:

c. When h is less than or equal to 2d,

In the formula: B, d, h, as shown in following figure

8.3 Viscose filament spinneret holes is not allowed to have defects

9 Inspection rules

9.1 Before leaving the factory, the spinneret finished by the manufacturer must pass inspection in accordance with this standard, and accompanied by a certificate of quality.

9.2 It is required to use 100 times the microscope to test the 6~3 technical requirements of spinneret.

9.3. When the dirty hole and burr hole can not distinguish, can be regular cleaning, such as after repeated cleaning can not remove dirt, then regard as burr hole.

9.4 when the finished product is handed over, the factory may inspect and inspect the spinneret finished products according to the technical requirements specified in this standard.

Each spinneret has passed theabove test before leaving the factory to ensure quality. And we can provide the test record.

Friendship tips:
Our acceptance standards are strictly better than or reference to the domestic industry standards,
If you have more precise requirements, please contact customer service, price negotiable. Thank you!

PRODUCT PRICE

Because as the precious metal, the Ir and Pt  prices change frequently, so our spinneret price will follow the price series of Ir and Pt, herein the price is the price of processing cost as reference, the latest price please contact customer service, thank you for your cooperation.

PRODUCT USE

The spinneret I produced has hat-shaped, tile-shaped, hoop-shaped, globular spinneret, suitable for viscose, polyvinyl alcohol, acrylic yarn, silk cord, short fiber and other various spinning needs.

High precision micro porous

The micro hole machining is done in the air cleaning room with high precision machine tools with excellent dimensional accuracy, roughness and geometry.

Reliable use, good spinning performance

The material used for making spinneret is made of advanced materials such as gold, platinum alloy and tantalum. After special heat treatment and surface coating treatment, it has excellent corrosion resistance, wear resistance and pressure resistance.

ENTERPRISE INTRODUCTION
Thank you for your great support and kindness through the ages firstly.
Jingwei as a well-known brand of domestic chemical fiber equipment was founded in 1960. The urgency of chemical fiber production , engineer QiNeng Fei in Jingwei textile machinery plant manufactured the first platino filament spinning jet. After one half century, from the localization of R535 to continuous spinning machine successfully. From the single company of chemical fiber spinning equipment to CHTC “central head” well-know enterprises; From Hong Kong Exchanges and Limited to ShenZhen Stock Exchange.It is inseparable from the continuous efforts of the Jingwei to improve,change and surpass ourselves, as well as the users of chemical fiber equipment which are the most valued customers in our company.

As a practitioner of “the spirit of Jingwei”, Jinzhong Jingwei chemical fiber precision manufacturing limited company is committed to providing high quality technical support and comprehensive equipment solutions for many chemical fiber manufactures. At present, the company has hundreds of modified patents and multiple patents, which are divided into two research and development department according to the special parts and spinning machines, and about 50 research and development personnel. With Donghua University, Suzhou University, Tianjin Polytechnic University, Zhejiang University and a number of units has a definite culture, commissioned development , technology transfer, such as various in-depth strategic cooperative relations, with many colleges and universities is the unit of testing machine.

In recent years,chemical fiber equipment due to its state of production characteristics and technical bottleneck which is the aging of equipment generally, to our company, put forward the product stability, replacement efficiently, improve the practical, technical comprehensive, timely service concept, to provide customers with the one-stop shopping experience from the spinneret, metering pump, such as special pieces of equipment to complete sets of equipment such as spinning machine, drawing machine. Around the needs of customers, provide financial services, such as credit and lease equipment. Jingwei shows its ambition and gets a lot of professional technical personnel. And its business developed around the world. Jingwei has great hope of three generations: the old; the middle-aged and the young, raised the flag of inherit Jingwei. Jingzhong Jingwei chemical fiber precision manufacturing limited company is founded by chemical fiber equipment. The torch of striving for customers of chemical fiber will be inherited continually.
Thank you for your company. Thank you for your trust.

ENTERPRISE CULTURE

Our Purpose: Always integrity in the Worldwild, Faith to Jingwei

Our Value: Measuring personality with product, Reflect value with achievement

Our Idea: Benefit everyone, restrain selfness, developing and win-win

TECHNICAL TEAM AND RESEARCH FORCE

Precipitation inheritance for half a century , our technical team has sensitive and sophisticated unique design concept for chemical fiber equipment in recent years. And the company cooperates with the large-scaled companies and universities, which makes our products more perfect. The "new power " to make the team more flexible and forward-looking , to digital and intelligent design.

EXELLENT  EQUIPMENT AND CHECKING DEVICES

The workman must sharpen his tools if he is to do his work well. In order to increase the technology innovation power of the enterprise, the company has advanced Numerical Control Grinder, Gear Grinder, Jig Grinder, Machinging Center, Microhole Processing Equipment and Precision Testing Equipment from Switzerland, Germany, USA, UK and Japan, which ensures technological equipment for developing precision Chemical Fiber Machine and its componets.

PRODUCTION TEAM AND SALES SERVICE

Jingwei factors for product quality in the "people" has been done, the new team propose the technical transformation sheme of high perormance and consistency, ERP+level scheduling mode of production become efficiency.

The traditional "order" competition mode has changed. Our salesman is your plan and purchasing. We provide one-stop shopping for all problems of chemical fiber plant.

PROFESSIONAL INSTALLATION TEAM

The installation of professional equipment plays a decisive role for the quality of spinning , spinning speed and the safe operation of equipment , Because of the special requirements for the mechanical structure and the laying of various pipelines on the spot, the installation team must be precise in its overall operation and control of every detail.

The installation technology of our company installation team has extensive experience and professional installation, decades of experience in the installation of the elderly, middle-aged, young, reasonable team structure. With rich experience and efficiency  the team was able to complete most of the test and to meet all customer needs. We have repeatedly participated in the construction projects aided by the state and received favorable comments from our countries, such as Egypt, Iran, Indonesia and Mauritius.

The finished product will be subject to final safe packing. Through express, logistics, land transport, container shipping, air transport and other ways to send products to customers around the world.