News Center-Dalian Dafa Casting Co., Ltd

Site Search Dalian marine valves marine inspection castings marine castings

请输入您要搜索的关键词...

热门产品搜索

Dalian marine valves marine inspection castings marine castings

current position： Home > News Center

What surface treatment method is selected for metal surface treatment of marine castings

2022-11-14 09:31:17

Ship castings, anchors and ship casting cabins are often subject to friction and seawater corrosion, which can easily lead to relatively serious rust. Therefore, it is stipulated that building coating...

More +
What are the types of marine valves in Dalian?

2022-10-17 11:01:15

It is recommended to use cast iron for general Dalian marine valves, and the environment you mentioned may be close to the river and seawater environment, which is also recommended to use cast iron. T...

More +
Factors Affecting the Quality of Ship Inspection Castings

2022-09-26 10:57:06

There are many factors affecting the quality of ship inspection castings. One is the design technology of iron castings. During design, in addition to determining the geometric shape and size of iron...

More +
What are the standards for Dalian marine valves

2022-09-23 09:34:27

Dalian marine valve is a device used to control the direction, pressure and flow of the fluid in the fluid system. It is a device that allows the medium (liquid, gas, powder) in piping and equipment t...

More +
Design scope of ship inspection castings

2022-08-12 09:09:02

The design of ship inspection castings must take into account seven aspects: die casting wall thickness, die casting fillet and demoulding slope, reinforcing rib, casting hole on die casting and small...

More +
Factors affecting dimensional accuracy of marine die castings

2022-08-08 08:59:46

With the continuous development of casting technology and the use of high-precision marine casting molds, the precision level of sand casting has been greatly improved. Therefore, sand casting is stil...

More +
How to better control the solidification and pouring of marine castings?

2022-08-05 16:00:17

Solidification of marine castings is one of the key links related to the quality of marine castings. It has a great influence on the whole process of marine castings. In order to better control the so...

More +
How many tons are the general large marine castings

2022-08-05 17:34:24

There is no fixed rule on how many tons of marine castings to start with. It depends on the size of marine castings.General marine castings below 10mm can be considered as thin-walled parts. However,...

More +
How to repair casting defects in ship inspection?

2022-08-05 17:54:33

The fundamental focus of the method to solve the shrinkage defects of ship inspection castings is "heat balance". The method is:(1) The rapid solidification is carried out at the thick and h...

More +
Causes of hot crack formation in making marine castings

2022-08-04 15:58:57

There are many theoretical and practical reasons for the formation of hot cracks in marine castings, but the fundamental reason is the solidification mode of marine castings and the thermal stress and...

More +

Every page shows 10 Article,Share 37 Article home

12 3 4

1/4

Next Page last

© 2021 Dalian Dafa Casting Co., Ltd　版权所有辽ICP备20003836号-2 Article | Region | Site map | RSS | XML

Main business area：天津秦皇岛辽宁大连上海福建山东广东广西青海

Technical Support：联企时代

Mobile phone QR code
Wechat QR code