Introduction

According to JB/T7977-99 standard,material:HT250,working surface scraped,for the measurement of the work piece straightness and flatness and equipment installation,the use of temperature   (20±5) for the Machine Tool,the accuracy check of the table,the geometric precision of measurement,the measurement of precision parts,scraped processing technology and so on,is the benchmark of precision measurement.

Feature:

1. According to Standard JB/T7977-99


2. Material: HT250


3. Working Surface made by scraping or grinding


4. Used to testing the workpiece straightness and equipment installation.


5. Working environment temperature is (20±5)°C

Application

 

•  Cast iron bridge type straight edge is used to test the straightness and flatness of workpiece and equipment installing.


• 
  

  Straight edges are also used for blue matching during hand scrapping operations&have wide and parallel working surface for application of spirit level.

  
  


• 
  

  According to standard JB/T7977-99

  
  


• 
  

  Working surface made by scraping or grinding.

  
  


• 
  

  Working environment temperature is (20±5)°C

  
  


• 
  

  If you want other size of bridge type cast iron straight edge ,we can produce the edges according to your drawing.

  
  

Usage

a.It is used to test the straightness and flatness of workpiece and equipment installing. 

b. Straight edges are also used for blue matching during hand scrapping operations&have wide and parallel working surface for application of spirit level.

Material

The material is high strength cast iron HT250

Precision:

It is in accordance with the procedure of state standard for measurement and inspection, which is divided into three levels of 0-2.

Price:

According to your detail requirement.

MOQ:

1PC

Shipping Methods:

We have strong cooperation with DHL,TNT,UPS,FEDEX,EMS. You also can choose your own shipping forwarders. About the large products, we choose shipping by sea. 

 Payment:

1.L/C

2.T/T

3.Western Union

Packaging Methods

Wooden case or depend on your requirement 

Our Services

1.Any inquiries will be replied within 24hours

2.Professional manufacture,welcom to visit our factory. 

3.OEM/ODM available: 

1)Paint logo on the product. 

2)Customized product according your drawings. 

3)Any your idea on product we can help you to design and provide drawings. 

4.High quality,practical designs,reasonable & competitive price, fast lead time. 

 After-sale Service 

1)All products will have been strictly quality checked in workhouse before packing. 

 2)All products will be well packed before shipping. 

 3)We can take over the mounting or clamping activities or mounting plan. 

 4)We provide the finished project report.Including Contract,Drawings,Quotation Sheet,Proforma Invoice,Technical Description,Manufacturing Progress Control Schedule,Test and Inspection Reports,B/L, Insurance, Commercial Invoice, Packing List, Certificate of Origin. 

Chenghua Machinery Sale Ltd. Company,Shanghai

Company Profile

Shanghai Chenghua Machinery Co.,Ltd is a large-scale business entities specialized in research,development,production and sales of mechanical equipments,mechanical processing,precision measuring tools(cast iron,granite)and component;also,is the only surface plate manufacturers in Shanghai and East China.

Welcome to visit our company when you are free.

We can also produce the Bridge Type Cast Iron Straight Edge as your requires or we can provide Technical Support for you. So if there is any thing we can do for you, feel free to contact me.I hope we can do business in the future and make good coorperation with each other.

 

Any questions feel free to contact me.

 Cast Iron Bridge Type Straight Edge Technical parameters:

 Special specification can be made as your special need.

 

 

 

 

Specifications(mm)	Face the straightness or plane degree
	Precision Grade(μm)
	Grade 0	Grade 1	Grade 2
500×50	3	6	12
750×50	4	8	15
1000×50		10	20
1500×70		15	30
2000×80		18	36
2500×90		22	44
3000×100			52
3500×100			60
4000×100			68
5000×110			84