Spheroidal graphite plate The cast iron plate is made of nodular cast iron, nodular cast iron plate wear resistance, resistance to stress, tensile properties are better than the grey cast iron plate, flat-one of the main reasons for the increasing use of nodular cast iron. Nodular cast iron plate by material QT400-18, QT400-15, QT450-10, QT500-7, QT600-3, QT700-2, QT800-2, QT900-2Some materials such as, QT900-2For the highest grade materials, and their collective organizations type bainitic or tempered martensite. Platform of nodular cast iron, spheroidal graphite cast iron plate relative to the platform of grey cast iron, high wear resistance, ductile iron processing of table finish, roughness better than cast iron platform, tensile strength advantage.

Application of ductile cast iron plate : Ductile cast iron plate is widely used in grinding plate, material, because of its performance characteristics are high hardness, strong resistance, resistance to tensile strength, not easily deformed by most manufacturers for high precision grinding plate, sand flat, fitter platform, welding platform for raw material, ductile iron is also used for plate Assembly platforms, tested platform, platform, machine tool working platform, cast iron

Lapping job demands in a clean place, no severe vibration and noise around, the indoor temperature changes as small as possible. Precision cast iron table should be in a constant temperature room temperature controlled operation, when you scrape out of direct sunlight and heating equipment direct baking.

Platform/cast iron cast iron plate making: casting production technology and equipment, but also cast the first process, at the same time to ensure the geometry, in the production process must first consider the process structure and performance, increasing productivity on the one hand, and on the other to ensure quality, used to verify the integrity of the process, ensure defect-free use.

Cast iron plate craft: the operator must operate strictly according to the technological process, calendar structure measuring castings, turn simple convenience, reasonable thickness, connected to the transition. Rational choice of gating system, cast iron plate measuring directional solidification, to obtain a uniform measuring castings.

The overall specifications of the cast iron plate up to 4000x8000mm, larger than this size can be more than stitching, use wear, again scraping the restoration of its accuracy, can be tested by painting parts ' flatness, which is accurate, intuitive and convenient advantage, after lapping in the promotion table on the cast iron plate, workpiece more smoothly, no itching feeling to facilitate measurement, measurement accuracy is guaranteed.

Cast iron flat iron quality and quality of heat treatment on the properties of cast iron plate used to produce greater impact, or due to residual stress within the larger face deformation; or because they did not wear-resistant precision cannot be kept; or far less than low value of difficult scraping roughness, using cast iron plate must pay attention to selection of cast iron materials, aging process, elimination of residual stress of cast iron plate.

Cast iron plate face hardness: hardness of HB107-240, two manual processing (artificial returned length 600-700 degrees or natural aging 2-3) uses the precision and stability of the product, good wear resistance.

Precision cast iron plate: according to the national standard metrological implement respectively 0, 1, 2, 34 levels.

Cast iron plate surface quality inspection: using painting method. Level 0 level 1 cast iron/cast iron plate on each side of the platform within not less than 25 mm square 25 o'clock, not less than 20 o'clock level 2, level 3 of not less than 12-point.

Cast iron plate is to check machines parts ' flatness, straightness tolerances of form and position of the measurement reference available for dash parts lapping, installations, also used in common parts and precision marking, welding grinding Processing and measurement.

Botou Yongjun measuring machinery company https://btyjjx.1688.com Is located is known as ' China town ' of botou city, North of Beijing and Tianjin, East of the Bohai Sea, 104, 106 national highway, Beijing-Shanghai Expressway, Beijing-Shanghai Railway runs through the whole territory, the geographical position is superior, the transportation is convenient. Our company mainly produces marble platform, cast iron platform shaped castings, machine tool castings, cast iron slide units, square box
Square tube, v-v-shaped iron, granite platform gauges, aluminum-magnesium light measuring tool such as flat feet, can cast one piece weighing up to 50 tons, 5x10 metres of products, our factory trained a group of professional maintenance team, migrated to repair straight measuring tools and machine tools for customers.

First of all strictly raw material purchasing materials, all based on national standards of production, the technical indicators have reached the national standard, products sell well all over the country are exported to foreign countries, and has built a foundry, machine shop, scraping workshop, tempering furnace, laboratory, laboratories, production products are tested: furnace material testing oven thermometer temperature, ultrasonic testing of finished products and hardness testing. Product material in more than appearance for customers to rest assured, satisfaction.

Our factory always insists on ' to the quality of survival, to the credibility of development ' principle, the cornerstone of quality products to win the trust of our customers, and product quality, innovative, high quality products and perfect after-sales service and sincere cooperation and common development, create brilliant!