CNC Lathe Vs Manual Lathe

Lathe machines are ubiquitous in industrial setups for drilling, cutting, turning, etc., to shape various components. The core functionality involves clamping the required material and rotating it by a spindle. They can be manual, semi-automated, or fully CNC-automated.

A manual lathe needs a trained operator to position the workpieces and select the cutting tools. Usually, these tools use high-speed steel (HSS) that contains chromium, tungsten, vanadium, and carbon. These lathes are best for symmetrical parts that can easily get clamped in the spindle.

A CNC metal lathe produces components with brilliant dimensional accuracy. It can work with different materials, including metal, wood, and glass. These machines, first designed by the American John T. Parsons in the 1940s, use Computer Numerical Control. G-Code (Geometric code) and M-Code (miscellaneous) programs control the motion and function of a CNC machine, directing the feed rate, spindle speed, etc.

Many CNC and manual lathe cutting tools are similar, using HSS, tungsten carbide, etc. But some are unique, like face drills and polygon turning.

Both machining processes are different in point of cost, accuracy, operating team and time. CNC machining is less time consuming, easy to operate, and expensive compared to Manual machining. While on other side Manual Lathe method required highly skilled & experienced team, time consuming but cheaper comparing to CNC method.

CNC full form is Computer Numerical Control. This auto machine process can be used for shaping all metal, plastic or wood. This is controlled via computer programs. The accurate programming plays an important role for precision components and machined parts.

Compared to Manual Lathe, CNC Lathe offer tight tolerances, and complex and custom shapes. For repetitive jobs and exact shapes, the CNC automated process is best. But the CNC Lathe is more expensive than the Manual so for small scale it may not be suitable. CNC process can handle all types of jobs from the smallest to large machined parts with superior finish. CNC machining can be performed for all types of steel and non-ferrous material including nickel alloys and titanium.

Manual Lathe is a traditional and labor-oriented process to shape the material. This method is very time taking and not suitable for complex shapes. Turning, drilling, and cutting through Manual lathes can be done for low-budget projects. Small workshop still prefers Manual Lathe for cheaper and affordable machined components. Also, Manual lathes are easy to maintain and material waste can be handled by labor which saves a lot of cost.

EDM
Laser
Milling
Press Brake
Press Brake

CNC lathes can be vertical or horizontal based on the position of the workpiece and the tools. Horizontal lathes are more common and especially suited to longer workpieces.

However, vertical lathes offer strong clamping due to the gravitational benefit. They are better for heavy components in aerospace and occupy less floor space.

Table of Content

Stainless steel pipe specifications
Groups of SS pipe
ASTM standard for stainless steel pipe
Types of stainless steel pipes
ASME B36.19M vs ASME B36.19 stainless steel pipe
Main difference between SS pipe and a tube
Suffix “S” meaning in schedule of ASME B36.19 pipe
Schedule of ASME B36.19 stainless steel pipe
ASTM A312 stainless steel pipe permissible variations
SS Seamless pipe dimensional tolerances as per ASTM A530
Stainless steel pipe imperial and metric (SI) units
OD, NB & Schedule of SS pipe
Stainless steel pipe weight per foot
6 types of SS pipe ends
Stainless pipe class
List of most common defects after quality check
Measurement of SS pipes
List of mechanical tests performed by SS pipe suppliers
Stainless steel pipe burst pressure
Features of stainless steel seamless pipes
Value added services offered by SS pipe suppliers
Grades of stainless steel pipe