What if the hole is not drilled smoothly?

MRCM share / 2025-06-18 / Hits(3327)

I. Daily Techniques to Prolong Drill Bit Life​​

​​1.Match Speed to Material​​

• Wood/Plastics: Use HIGH RPM to reduce friction burn
• Metals: MED-LOW RPM + cutting fluid to prevent edge softening
• Masonry/Concrete: MUST use hammer drill mode (standard bits will chip)
  → Wrong speed = #1 cause of premature dulling!

2.​​Avoid Excessive Pressure​​

When drilling slows or smoke appears:

• Forced pressure bends bits → permanent damage ✘
• Causes edge fractures → total failure ✘
  ✅ Solution: Withdraw to clear debris; inspect cutting edges immediately.

​​3.Cooling Is Non-Negotiable​​

For metal drilling especially:

• ​​Professional cutting fluid​​ (extends life 5X+)
• ​​DIY alternatives:​​ Soapy water or motor oil at drill point (emergency use)

II. Solutions for Dull Bits: Repair vs. Replace​​

Calculated at $300 machine cost over 5 years (industrial use)
 

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III. Drill Bit Sharpeners: The Ultimate Cost-Saver​​

One machine = Zero drill waste:
1.Revive Any Bit in 3 Minutes​​

Clamp → Set angle → Auto-sharpen → Ready to cut
Handles Ø2-26mm standard bits (including carbide tips)
 

2.Precision Edge Restoration​​

After sharpening: Restores 118° point angle, symmetric edges, sharp chisel point, and clearance angle.
 

3.Verified Results​​ (Auto parts factory data):

Metric	Before	With Sharpener	Improvement
Monthly bit costs	$450	$56	87.5% ↓
Bit-change downtime	22 hrs/month	1.5 hrs/month	93% ↓
Defective holes	6.3%	0.8%	87% ↓

 

IV. Your Action Plan: Stop Wasting Money​​
1️⃣ ​​Cost-Benefit Proof​​:

• New bit cost: 7x10bits/month=70
• Sharpener investment: $300 → ​​Pays for itself in <5 months!​​

2️⃣ ​​Starter Recommendation​​:
Choose angle-adjustable models with ​​carbide-grit wheels​​ .

3️⃣ ​​Pro Tip​​: Batch-sharpen all dull bits weekly for constant "battle readiness"!

V. Equipment Recommendations

Our MR-13A is easy to use for beginners and can also be used for daily work by professionals/factories.

Our automatic grinding machine MR-AE30 can perform automatic grinding, which is suitable for factories with large daily grinding needs.
MR-AE30 CNC milling cutter universal automatic small grinding machine grinding 2 -4 flute end mill Ball end Mill Drii Bit. Flexible, portable and efficient operation.