北重檢驗平臺4000*8000MM大型平板廠家專業生產-泊頭北重的簡單介紹

北重檢驗平臺4000*8000MM大型平板廠家專業生產-泊頭北重的詳細信息

檢驗平臺技術要求：

1、檢驗平臺工作面不得有嚴重影響外觀和使用性能的砂孔、氣孔、裂紋、夾渣、縮松、劃痕、碰傷、繡點等缺陷。2、檢驗平臺的鑄造表面應清除型砂且平整，涂漆牢固。 3、檢驗平臺精度等級為0級~3級的平板工作面上，直徑小于15mm的砂孔允許用相同材料堵塞，其硬度應小于周圍材料的硬度。工作面堵塞的砂孔應不多于4個，且砂孔之間的距離應不小于80mm。 4、檢驗平臺應采用優質細密的灰口鑄鐵等材料制造，其工作面硬度應為170~220HB。 5、檢驗平臺工作面通常采用刮削工藝。對采用刮削加工的3級平臺工作面，其表面粗糙度Ra最大允許值為5μm。 6、檢驗平臺應去磁和穩定性處理。 7、檢驗平臺相對兩個側面上，應有安裝手柄或吊環裝置的螺紋孔（或圓柱孔），且裝置位置的設計應盡量減少因搬運而引起的變形。 8.若檢驗平臺工作面上設置螺紋孔（或溝槽），其部位應不高于工作面。

Technical requirements of Inspection surface Plate:

The working surface, when inspected visually, shall be free from blowholes, sand holes, cracks, slag inclusions scratches, porous patches and other visual flaws.

The working surface shall be clean and uniform and the other sides shall be painted well.

The plugging of blowholes or porous patches in the working surface with material of a similar composition is permitted provided that such a repair does not affect stability or accuracy.

The raw material of Cast Iron Surface Plate shall be the close-grained cast iron whose hardness is of HB 170~220.

Where tapped holes or inserts are required the necessary work shall be carried out before the working surface is finished.

檢驗平臺的維修保養：

1、為了防止檢驗平臺發生變形，在吊裝檢驗平臺時，要用四根同樣長度的鋼絲繩同時掛住檢驗平臺上得四個起重孔，將檢驗平臺平穩吊裝在運輸工具上。檢驗平臺不可以堆疊存放，防止因為堆疊擠壓造成檢驗平臺變形 2、將檢驗平臺支承點墊好、墊平，保證每個支撐點受力均勻，保證整個檢驗平臺平穩。 3、檢驗平臺安裝時將檢驗平臺的各個支撐點用調整墊鐵墊好、墊實，由專業技術人員將檢驗平臺調整至合格精度。 4、使用檢驗平臺時，安裝機械設備零件時，不要在檢驗平臺上安裝，更不可以使用榔頭、鉗子等工具敲打檢驗平臺。安放機械設備零件應該輕拿輕放，防止機械設備零件和檢驗平臺強烈碰撞。如果檢驗平臺表面和機械零件發生碰撞，應把收到撞擊凹陷或凸起的部分修復好后再繼續使用；不要在檢驗平臺上挪動比較粗糙的工件，以免對檢驗平臺工作面造成磕碰、劃傷等損壞； 5、為了防止檢驗平臺整體變形，使用完畢后，要將工件從檢驗平臺上拿下來，避免工件長時間對檢驗平臺重壓造成檢驗平臺的變形。 6、檢驗平臺不用時要及時將工作面洗凈，然后涂上一層防銹油，并用防銹紙蓋上，用檢驗平臺的外包裝將檢驗平臺蓋好，以防止平時不注意造成對檢驗平臺工作面的損傷。 7、檢驗平臺應安裝在通風、干燥的環境中，并遠離熱源、有腐蝕的氣體、有腐蝕的液體。 8、檢驗平臺按國家標準實行定期周檢，檢定周期根據具體情況可為6-12個月。

Maintenance of Inspection Surface Plate:

1. A surface plate is a a surface plate is a datum and should be protected against damage. The top should be frequently wiped clean from dust and other particles. When measurements are being made, a cloth should be spread on the surface plate on which small tools and gauges can be placed when not in use. When the surface plate is not in use the top should always be kept covered.

2. The plate should be in a location away from direct sunlight and sources of draughts which could cause a vertical gradient of temperature such that the top and underside of the surface plate are at different temperatures.

3. Stands should be located on a stable foundation. the surface plate should be supported firmly and levelled.

4. Care should be taken that, wherever possible, the load on a surface plate is distributed over the working surface.

5. Use should be made of the full available area of the working surface and not concentrated on any one area.a common form of damage to cast iron surface plates is burrs on the working surface. the excess metal may be stoned away by attention confined to the burr. this operation should be followed by thorough cleaning with abrasive dust. if the surface plate is not required for some days, the surface should be coated with a corrosion preventive, such as petroleum jelly. rusting is a sign of neglect and misuse. its effects can be reduced by frequently wiping the top when in use and by occasionally gently rubbing with another surface plate.

6. Users are advised to take advantage of the specialized services of surface plate manufacturers to have surface plates reconditioned.

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