Cold Saw/V1 Design Rationale/Basic Concept

Introduction

Simply put, the Cold Saw cuts materials.

More specifically, the Cold Saw rotates a circular blade with sharp teeth to chip away at the material being cut.

The Cold Saw is "cold" because the thermal energy generated during the cutting process is transferred to the chips instead of the blade or the remaining material.

Different material compositions, shapes, dimensions all determine how fast the blade should spin (rotation speed) and how quickly the blade should move into the workpiece (feed rate). If the feed rate is too high, the blade is in danger of jamming and breaking. If the feed rate is too low, the blade's durability will not be maximized.

Cold Saw blades can be resharpened many times!

Objectives

Precision cuts with surface deviation of less than 0.1mm

Precision angle-setting with a center angle locking mechanism with deviation of less than 1 degree

Precision descent with vertical cutting plane angled within 1 degree.

Up to 45 degree cuts for at least 1" wide materials.

Clamping materials of at least 4" width.

Rationale

Should the blade move towards the workpiece, or the workpiece move toward the blade, or both?

http://opensourceecology.org/wiki/Cold_Saw/V1_Design_Rationale/Basic_Concept/Movement

More Information

A system to rotate the blade.

http://opensourceecology.org/wiki/Cold_Saw/V1_Design_Rationale/Blade_Rotation_System

A system to move the blade closer to the workpiece.

http://opensourceecology.org/wiki/Cold_Saw/V1_Design_Rationale/Movement_System

A system to hold the workpiece.

http://opensourceecology.org/wiki/Cold_Saw/V1_Design_Rationale/Hold_System