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Chromium plating rack for cylinder liner bore

A cylinder liner and inner hole technology, which is applied in cylinders, cylinder heads, melt spraying, etc., can solve the problems of high ventilation effect requirements, poor penetration resistance, and reduced insulation performance of the equipment, and achieve good ventilation effects and heat resistance of the equipment. The effect of improving the deformation ability and increasing the flowability

Inactive Publication Date: 2009-01-07
烟台万斯特有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The inner hole of the cylinder liner of the engine must be chrome-plated before it is formed into a finished product. The chrome-plated hanger for the inner hole of the cylinder liner currently used has an auxiliary cathode at the joint with the axial positioning of the cylinder liner to prevent edge chrome plating caused by the tip discharge effect. The coating is relatively thick, but after repeated electroplating, it will be covered with chromium tumors. As a result, the chromium layer at the auxiliary cathode of the cylinder liner is often thinner. The positioning of the anode axis and the cylinder liner axis is manually adjusted. Regular adjustments are made. The insulating material used in the existing hangers is hard PVC. This material has poor permeability resistance. With the infiltration of chromic anhydride, the insulation performance decreases and it is easy to deform. The top opening of the chrome-plated hanger in the conventional cylinder liner Larger, the chromic acid mist volatilizes seriously during the electroplating process, so the requirements for the ventilation effect of the equipment are high, and the environmental pollution is more serious.

Method used

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  • Chromium plating rack for cylinder liner bore
  • Chromium plating rack for cylinder liner bore

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Example 1, a chrome-plated hanger for the inner hole of a cylinder liner, refer to figure 1 , an anode insulating sleeve 3 is provided on the outside of the anode 9, an anode positive sleeve 4 is arranged outside the anode insulating sleeve 3, a leading ring 5 is fixed on the lower end of the anode positive sleeve 4, and the cathode guide rod 2 is fixedly connected with the leading ring 5 , the anode insulating sleeve 3 of the inner anode 9 of the leading ring 5 is provided with an upper power line cover 6, and a gas detour cavity 13 is formed between the upper power line blocking cover 6 and the leading ring 5, and a cylinder liner clamp is arranged on the inner side of the lower end of the leading ring 5 Clamping ring 7, clamping screw 11 is provided on the outside of cylinder liner clamping ring 7, lower power line retainer 10 is provided at the lower end of anode 9, hole 12 is provided on anode 9, and the outer diameter of the bottom end of anode 9 is larger than tha...

Embodiment 2

[0015] Embodiment 2, a kind of cylinder liner inner hole chrome-plated hanger, refer to figure 2 , on the basis of Example 1, the anode 9 is connected to the positive pole of the power supply through a flexible conductive braid 1, the anode insulating sleeve 3 is a PP-R or F4 plastic structure, and the anode 9 adopts a lead-tin alloy containing 7-8% tin, Others are identical to Example 1.

[0016] When using the invention, refer to figure 1 , 2 , the cylinder liner 8 is placed between the anode 9 and the cylinder liner clamping ring 7 to clamp, the anode 9 is located in the inner hole of the cylinder liner 8, just turn on the power supply, and the anode positive position sleeve 4, the leading ring 5 and the upper power line Under the constraints of the cover 6 and the clamping ring 7 of the cylinder liner, the axis of the inner hole of the plated cylinder liner 8 coincides with the axis of the outer circle of the anode 9, so as to ensure that the coating thickness of the in...

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Abstract

The invention relates to a device to measure and regulate micro aeroboat engine, including engine speed measuring and sensing device, control box and rudder, and its character: the measuring and sending device has the structure: there is a magnet block fixed on the rotating shaft of the engine, there is a Hall sensor probe installed near the magnet, the output of the Hall sensor probe is connected to the control box through lead wires and that of the control box is connected to the rudder through lead wires. It can measure and control left and right engines of the aeroboat to make their speed consistent in a certain range, without manual operation and control, thus reducing labor strength of operators.

Description

1. Technical field [0001] The invention belongs to the technical field of engine cylinder liner processing machinery, and in particular relates to a chrome-plated hanger for the inner hole of a cylinder liner. 2. Background technology [0002] The inner hole of the cylinder liner of the engine must be chrome-plated before it is formed into a finished product. The chrome-plated hanger for the inner hole of the cylinder liner currently used has an auxiliary cathode at the joint with the axial positioning of the cylinder liner to prevent edge chrome plating caused by the tip discharge effect. The coating is relatively thick, but after repeated electroplating, it will be covered with chromium tumors. As a result, the chromium layer at the auxiliary cathode of the cylinder liner is often thin. The positioning of the anode axis and the cylinder liner axis is manually adjusted. Regular adjustments are made. The insulating material used in the existing hangers is hard PVC. This mate...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02F1/00F16J10/04C23C4/06C25D17/00C25D19/00C25D7/04
Inventor 艾爽李显昌姜书博
Owner 烟台万斯特有限公司
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