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Drill Tip Comp Calculator Metric

Drill Tip Length Formula:

\[ \text{Tip Length} = \frac{\text{Diameter}}{2} \div \tan\left(\frac{\text{Angle}}{2}\right) \]

mm
degrees

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1. What is Drill Tip Compensation?

Drill tip compensation calculates the additional length needed to account for the pointed tip of a drill bit. This is important for precise depth measurements in machining and drilling operations.

2. How Does the Calculator Work?

The calculator uses the drill tip length formula:

\[ \text{Tip Length} = \frac{\text{Diameter}}{2} \div \tan\left(\frac{\text{Angle}}{2}\right) \]

Where:

Explanation: The formula calculates the length of the conical tip based on the drill's geometry, which must be added to the desired hole depth for accurate drilling.

3. Importance of Tip Length Calculation

Details: Accurate tip length calculation ensures precise hole depths, especially critical in CNC machining, aerospace components, and other precision engineering applications.

4. Using the Calculator

Tips: Enter the drill diameter in millimeters and the point angle in degrees (typically 118° or 135° for standard drills). Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's a typical drill point angle?
A: Standard twist drills typically have 118° or 135° point angles. Specialty drills may have different angles.

Q2: Why is tip compensation important?
A: Without compensation, holes will be shallower than intended by the length of the drill's tip.

Q3: Does this work for all drill types?
A: This calculation works for conical point drills. Special tip shapes may require different calculations.

Q4: How accurate is this calculation?
A: The calculation is mathematically precise for perfect conical tips. Actual drill tips may vary slightly.

Q5: Should I round the result?
A: Round to 2-3 decimal places (0.01-0.001 mm) for most practical applications.

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