Deep Hole Honing Machine For Long Workpiece

2M2136x9000mm Deep hole honing machine

 

1.Machine photo:

 

2.Machine standard :

 

3.Machine main structure

 

3.1 CNC axis :

Z1 axis: The longitudinal feeding movement of the honing box (honing head reciprocating movement), the servo motor drives the rack and pinion mechanism through the reducing mechanism.

Z2 axis: Control the expansion of honing head, the servo motor drives the ejector pin to move axially through reducing mechanism .

 

3.2 Machine bed :

Made of high-quality cast iron HT300, after aging treatments to eliminate the internal stress , the structure and size are stabilized, and the mechanical properties are improved.

The linear circular guide rail is mounted on the machine bed , used for reciprocating movement of honing head, to meet the requirements of high speed during honing.

The inner side of machine bed is mounted with rack, use for the feeding transmission of honing head. The transmission of rack is stable after precision processing and heat treatment .

Install oil pans around the bed.

 

3.3 Honing box:

Used to drive the honing head to rotate, rotation speed is stepless .

The motor drives the spindle to rotate through the gear reducer, and the gear is ground precisely. The tooth surface of the gear is treated by high frequency quenching, and the hardness of the tooth surface is HRC48-52. In this way, the gear can obtain high strength, high hardness, high wear resistance and high fatigue limit, and can withstand large alternating load and impact load.

The spindle is supported by a combination of cylindrical roller bearings and thrust ball bearings, has high accuracy and can withstand large axial and radial forces.

In order to improve the service life of gears and bearings, lubricating oil is used for lubrication.

 

3.4 Workpiece carrier:

2sets, used to support the workpiece .

The V-shaped structure is controlled by positive and negative screws to move the two inclined edges of the V-shape towards the center.

After placing the workpiece on the bracket, manually lock it with a pipe chain.

The V-shaped beveled edge is equipped with a pad with anti slip function, which can effectively prevent the workpiece from rotating during the processing.

 

3.5 Honing bar support rest

Supporting honing bar in the process of honing and measuring.

2sets, one set is fixed on the machine bed, another set moves on the circular linear guide rail of machine bed .

 

3.6 Coolant system

Supply the lubricating liquid for honing head .

Mainly composed of pumps, paper filter, magnetic filer,oil tank etc. .

Provide external oil spray and internal oil feeding two oil supply methods for the honing head,which could be chosen on the operation panel .

 

3.7 Lubricating system

The slider of guide rail for reciprocating movement of honing box is lubricated automatically by automatic lubrication station, and liquid level alarm is provided on lubrication station.

The honing box is filled with lubricating oil ,the gears and bearings inside are lubricated by rotating the gears.

 

3.8 Control system :

PlC control

The operation station is assembled on the machine bed,the operation panel can be turned manually to facilitate the operation of the machine.

Using human-machine interface touch screen, reciprocating speed, rotating speed and honing head feeding rate etc. can be set on it .

 

4. Processing accuracy :

Hole size accuracy: IT7~IT8

Surface roughness: Ra0.2~0.4μm

 

Contact us:

Kaylee

Email:guanlu@dzguanlu.com

Whatsapp: +86 13645342769

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