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High Precision Valve Tip Drilling Machine High Precision Valve Tip Drilling Machine

Valve Tip Drilling Machine is special purpose machine for engine valve. it is used for drilling a hole on the tip in order to weld

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  • Model: ZK-32
  • Brand: Tianzhijiao
  • Code: 8459210000
  • Product Description
  • FAQ

CNC Valve Tip Drilling Machine

Product Description 

Valve Tip Drilling Machine is used for drilling a hole on the tip of engine valve in order to welding. 

Valve Tip Drilling Machine is a special purpose machine for engine valve. it is used to process engine valves (inlet valves and exhaust valves) in lawn machines, cars, motorcycles, trucks, boat and other engine valves.

Main Feature

  • Machine bed is welding plate, Slide is HT250 cast iron

  • #32 general lathe head;

  • Jobs feeding is controlled by servo system;

  • Processing amount is controlled by PLC & Touch Screen 

  • Driven transmission system: Ball screw & linear guide;

  • With automatic loading & unloading system;

  • The rail can meet different size valve and easy to adjust;

( Patent product )

Technical Parameter 

Before Processing 
Processing range  Head diameter: 20-50 mm, Stem Diameter: 5-10 mm, Length: 70-150 mm
Material  21-4N, 4Cr10Si2Mo, Imported: SUH:3, SUH:35,etc. Hardness: 25-45 HRc
Processing allowance  0-3 mm ( According to valve size )
After Processing 
Processing accuracy  Size Accuracy  ±0.1 mm
Roughness  Ra ≤2.5 
Cycle time  About 5s/piece 
Total Power  5 kw 
Machine Size 

1625* 1500*1850 mm

Machine weight 
1000 kg 


Packaging & Delivery

1) Packaging: Using standard export wooden case.

2) Delivery time: 60-90 working days after we receive down payment (delivery time is up to the production time of components)

3) Shipping Port: Shanghai Port



How does our machine work?


Q: What is the payment terms?

A: 40% T/T in advance, the balance paid before shipment

Q: What is the capacity of engine valve production line?

A: The capacity of this line is 3500~4000 pieces/8 hour. 7000~8000 pieces/2 shaft/day. The real capacity is up to the size of engine valve and the skill of operator.

Q: How Many people are needed from raw material to ready valve?

A: We can provide completely engine valve production line from raw material to ready valve. We can alsp provide technical support for processing engine valve. it will need 15~20 people for this line. Our machining line just need 2~3 people. (it is up to the skill of operator).

Q: How long is the delivery?

A: 90 working days after we received the down payment.

Q: What can we do for customer?

A: Firstly, we are professional manufacturer for cnc engine valve grinding machine. We have more than ten years experience in processing engine valve grinding machine. Our technology adapt Japan and Taiwan technology and through many years innovation, the technology has mature.

Now, we have successfully developed fully automatic engine valve production line. And also put into use. Get good praise from our customer.
1. We can set up complete automatic engine valve production line according to customers needs.

2. We can make upgrade proposal according to customer real conditions.

3. Provide technical training for how to operate and install. in our company. of cause, it's free.
4. All machines have one year warranty. Within warranty period, Any questions except for man-made damage we offer the cost.
5. We can set up operation standard, technical guidence.

Installation and maintenance

We have a training for how to operate and install. Training place in our factory. We also can go to the factory of customer to install. the charges are paid by the customer.


All machines have one year warranty. Within the warranty period, all maintenance is free except for wearing parts. If the damage is caused by wrong operation, We can provide maintenance but the cahrges are paid by customer. 


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