Calculation Formulas for Cutting Cond...

Basics and Calculation Formulas for Cutting Conditions Cutting conditions determine how fast a tool should rotate or move. When machining with a machine to... 詳細表示

What is effective thread length?

The effective thread length is the length of the thread. Excluding the incomplete threaded part, it is the length of the part including the chamfer. 詳細表示

What is HRC, a unit of hardness?

There are various units that express the properties of metals, and it is important to check their values before processing. It is also important to select a... 詳細表示

Meaning of the Values in the Cutting ...

When machining with a machine tool, it is necessary to set specific numerical values. For rotary tools such as drills, taps, and end mills, values for the “... 詳細表示

What is a parallel thread?　What is a ...

A thread parallel to the central axis is defined as the line connecting the crests of adjacent threads. This type of thread is called a parallel thread, suc... 詳細表示

What is a coating on a cutting tool? ...

Not only the base material of tools, but also various things have a relationship between "hardness" and "toughness". The harder it is, the less likely it is... 詳細表示

Coarse screw thread and Fine screw th...

Coarse screw thread and Fine screw thread refers to the type of pitch of the thread. Coarse screw thread most commonly used threads. It is often omitted bec... 詳細表示

Chip shape during tapping

If the chips are thin and short, they can be considered to have a good shape that is easy to discharge. If the chips are thick and long, there is a risk tha... 詳細表示

Relationship between Tapping Efficien...

Machining efficiency is expressed in terms of the feed rate (Vf, mm/min). The feed rate for tapping is calculated using the formula: Vf = pitch × n (where ... 詳細表示

List of pipe screw sizes and pitches ...

The reference dimensions (outer diameters) for R, Rp, Rc, PT, G, and PF pipe threads are shown in the table below. Reference Dimensions and Pitch of Pipe Th... 詳細表示