Machinist Helper (Free Version with ads) is an easy tool which will help you convert units find appropriate drill sizes for cutting and forming taps and perform calculation for turning milling and drilling operations as cutting speed required power cutting time etc. All calculations are done in imperial and metric system.

Functionalities:

Convert Units:
• Length
• Cutting speed
• Volume
• Power
• Pressure
• Angle
• Temperature
• Weight
• US Gallon / Liter – Liter / US Gallon
• Decimal / Fractional – Fractional / Decimal
• Drill Number / Decimal – Decimal / Drill Number
• Drill Letter / Decimal – Decimal / Drill Letter
• Torque – in-lbs / N-m
• Thrust – lbf / N
• Angle : Decimal degree to degree/minutes/seconds
• Taper Per Foot To included Angle

Drilling Calculator:
• Find Drill For Tap
imperial (Cutting And Forming)
metric (Cutting And Forming)
BA BSW BSF ME
• Revolution Per Minute
• Cutting Speed
• Feed Rate Per Revolution 1
• Feed Rate Per Revolution 2
• Feed Rate Per Minute
• Material Removal Rate
• Drilling Thrust
• Drilling Torque
• Drilling Power
• Drilling Time 1
• Drilling Time 2
• Drill Point Length
• Dwell period per revolution

Turning Calculator:
• Revolutions Per Minute
• Cutting Speed
• Feed Rate Per Revolution
• Feed Rate Per Minute
• Material Removal Rate
• Cutting Power
• Theoretical Surface Roughness
• Facing Cutting Time
• Turning Cutting Time

Milling:
• RPM
• Cutting Speed
• Feed / Tooth (or Rev) And Minute
• Material Removal Rate 12
• Power
• Approach Distance
• Cutting Time
• Overtravel Distance
• Engagement Angle
• Effective Dia of Ball Nose Tool
• Scallop Height
• Theoretical Surface Roughness For Ball Nose Tool 12
• Radial Chip Thinning
• Axial (Ball Nose) Chip Thinning
• Feedrate Adjustment For Arcs
• Bolt Circle Calculator
• Tap Feed Per Minute
• Shaft and Bore Keyway
• Feeds and speeds tables.

Threading:
• UN Thread Form Data
• UN Threads – Class 2
• M Profile Thread Data
• Metric Threads – Class 6H/6g
• Buttress Thread Data (7°/45°_ANSI B1.9-1973 [R2007] )
• Buttress Thread - Class 2 (7°/45°_ANSI B1.9-1973 [R2007] )

Geometry:
• Right Triangle

Measuring and Inspection
• Sine Bar
• True Position

Miscellaneous
• Shaft and Housing Fitting for Ball and Roller Metric Bearings

The results that this calculator formulates are theoretical in nature and intended solely as an aid. The user agrees to accept full responsibility to verify that the calculated results meet their requirements before using them. WORKINGBYTES4U assumes no responsibility.