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Manufacturing method of heating/heat-insulated washburn risers on inner/outer metal mold sand casting manganese steel crushing wall or rolling mortar wall

A sand-coated metal mold and manufacturing method technology, which is applied in the direction of manufacturing tools, casting molding equipment, metal processing equipment, etc., can solve problems such as easy cracks, low casting process yield, and rapid riser heat loss, etc., to achieve good high temperature Refractory performance, cost reduction, and the effect of improving the yield of casting process

Active Publication Date: 2011-01-26
广西长城机械股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantages of ordinary sand mold risers are: (1) the heat loss of the riser is fast, the volume of the riser is large, and the yield of the casting process is low; (2) the root of the riser is difficult to cut, especially the manganese steel casting riser, which is easy to cut When cracks occur, certain technological measures need to be taken, and at the same time, it is difficult to grind the remaining head of the riser cutting

Method used

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  • Manufacturing method of heating/heat-insulated washburn risers on inner/outer metal mold sand casting manganese steel crushing wall or rolling mortar wall
  • Manufacturing method of heating/heat-insulated washburn risers on inner/outer metal mold sand casting manganese steel crushing wall or rolling mortar wall
  • Manufacturing method of heating/heat-insulated washburn risers on inner/outer metal mold sand casting manganese steel crushing wall or rolling mortar wall

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Example 1 Manufacture Broken wall heating insulation easy-cut riser

[0036] refer to figure 1 , 2 , 3, its manufacture method step is as follows:

[0037] 1. Design and manufacture Φ1200 broken wall casting heating insulation riser components:

[0038] (1) Design and manufacture cylindrical heating and heat preservation riser sleeve 8 (upper riser), riser sleeve inner diameter d=210mm, outer diameter D=250mm, effective modulus 5cm;

[0039] (2) Design and manufacture torticollis heating and heat preservation riser seat cover 9 (the lower part of the riser), torticollis diameter Φ105mm, h=80mm;

[0040] (3) Design and manufacture heating and heat preservation riser sleeves 8 easy-cut pieces 10, the thickness of the easy-cut pieces 10 is 10mm, and the minimum diameter is Φ100mm;

[0041] 2. Assemble the 8 components of the heating and heat preservation riser sleeve:

[0042] (1) When manufacturing the inner metal mold 5 and the inner metal mold sand coating layer ...

Embodiment 2

[0047] Example 2 Manufacture Rolling mortar wall heating and heat preservation easy-cut riser

[0048] refer to figure 1 , 4 , 5, its manufacture method step is the same as embodiment 1.

Embodiment 3

[0049] Example 3 Manufacture Broken wall heating insulation easy-cut riser

[0050] refer to figure 1 , 6 , 7, its casting method steps are as follows:

[0051] 1. Design and manufacture of Φ2200 broken wall casting heating insulation riser components:

[0052] (1) Design and manufacture cylindrical heating and heat preservation riser sleeve 8 (the upper part of the riser), the inner diameter of the riser sleeve is d=310mm, the outer diameter is D=360mm, and the effective modulus is 7cm;

[0053] (2) Design and manufacture torticollis heating and thermal insulation riser seat cover 9 (the lower part of the riser), torticollis diameter Φ120mm, h=100mm;

[0054] (3) Design and manufacture heating and heat preservation riser sleeves 8 easy-cut pieces 10, the thickness of the easy-cut pieces 10 is 15mm, and the minimum diameter is Φ115mm;

[0055] 2. Assemble each component of the heating and heat preservation riser sleeve:

[0056] (1) When manufacturing the outer metal mo...

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Abstract

The invention discloses a manufacturing method of heating / heat-insulated washburn risers on inner / outer metal mold sand casting manganese steel crushing wall or rolling mortar wall, which comprises the following steps: (1) calculating the effective feeding distances of risers based on the fact that a crushing wall or a rolling mortar wall is the structural characteristic of a uniform-wall thickness annular closed casting and is the main thermal center, and determining the quantity, the shapes, the sizes and the positions of the risers; (2) respectively designing and manufacturing components of the heating / heat-insulated risers; (3) assembling components of heating / heat-insulated riser sleeves; assembling an outer metal mold with spread molding sand and an inner metal mold with spread molding sand and a tapered neck riser seat sleeve on a casting bottom plate, fastening the outer metal mold and the inner metal mold, covering a top box provided with the upper halves of the heating / heat-insulated riser sleeves, fastening with the outer metal mold and the inner metal mold into a whole casting mold, casting, and knocking off the risers after uncovering. By using the method to produce the manganese steel casting risers, the invention achieves obvious feeding effect, increases the production rate of the casting process, reduces the riser cutting cost and increases the economic benefits.

Description

technical field [0001] The invention relates to a casting method for a manganese steel crushing wall or a rolling mortar wall of a cone crusher, in particular to a method for manufacturing a manganese steel crushing wall or a rolling mortar wall of a cone crusher using inner and outer metal molds covered with sand to cast a heat-preserving and easy-to-cut riser. Background technique [0002] Cone crusher is a crushing equipment widely used in metallurgy, mining, building materials, refractory materials, energy and other industrial industries. The crushing wall and the rolling wall are the main wear parts of the cone crusher. Their quality directly affects the crushing efficiency and quality of raw materials, and also directly affects the output and technical and economic indicators of the product. [0003] At present, the wear-resistant parts of the crushing wall and rolling mortar wall used in the cone crusher are still mainly made of high-manganese steel ZGMn13, or trace a...

Claims

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Application Information

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IPC IPC(8): B22C9/08B22C3/00
Inventor 林发迪周忆平李卫朴东学
Owner 广西长城机械股份有限公司
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