News&Events
News&Events

Dezhou Guanlu Precision Machinery Co.,Ltd

  • 10meters BTA deep hole drilling machine is under assemble
    10meters BTA deep hole drilling machine is under assemble

    Global economy recession,while our domestic business is just ok. So we are focusing on our home market and expanded our domestic market share.Advanced machine structure,satisfactory after sale service,there is no reason to pass us,choose us is the no hesitation choice.Dezhou Guanlu Deep hole drilling machine,will never disappoint you and will not leave you alone in any time and any circumstance.

    Learn more +
  • Good memories of EMO Hannover  Exhibition
    Good memories of EMO Hannover Exhibition

    In year 2019,our company had attended the EMO Hannover Exhibition in Germany. Dezhou Guanlu Deep hole drilling machines has became the most advanced deep hole drilling machine manufactuers rank, huge of customers stopped in from of our booth and shocked by deep hole drilling machines made in China. We will keep on developing the European market and learn the most advanced technology from European manufacturers.

    Learn more +
  • Congratulations to Dezhou Guanlu,The first set deep hole honing machine to Austrilia
    Congratulations to Dezhou Guanlu,The first set deep hole honing machine to Austrilia

    Dezhou Guanlu has exported to more than 30 countries and we wish to expand more markets,Very luckly,we met our first customer and friend in Austrilia,we had explained to him the advantages of our deep hole honing machines ,Although our deep hole honing machine price is not the lowest,even much higher than other chinese competitors,but his choice is good quality,not lower price. we are very thanked and we will make the best machine.Customers' trust is a burden,we will not dispoint all of our customers!

    Learn more +
  • Deep hole drilling technology features
    Deep hole drilling technology features

    Deep hole drilling technology difficulties:1. Deep hole drilling process is in a closed or half closed working condition,operator could not be able to observe the cutting and tooling status.2. The cutting happens inside the deep hole,chips discharge path is long,not easy to chips removal.3. The heat inside the cutting area is not easy to send out.4. Normally,the hole diameter-hole length ratio is big,when working,the drill bit is easy to vibrate and deviate. The following matters should be noticed during deep hole drilling process:1. Main spindle,tools guide bush,tools shank sleeve,and job center rest should be coaxial.2. Check if the cutting liquid system working in good condition.3. If the deep hole drilling speed is too high,when the hole nearly finish,better to stop the machine or reduce the speed.4. Do not stop the machine during deep hole drilling process.If you have to stop the machine,please return the cutting tool some distance.and stop the pump and main spindle.​

    Learn more +