Group Assignment:

Computer-Controlled Machining

CNC Router:

A CNC wood router is a computer-controlled cutting machine specifically designed to work with wood and wood-based materials. "CNC" stands for Computer Numerical Control, meaning the machine's movements are precisely guided by a computer program rather than manual operation. This technology has revolutionized woodworking by offering unparalleled precision, efficiency, and the ability to create complex designs.

How it Works:

The process of using a CNC wood router typically involves these steps:

Design (CAD): The user creates a digital design of the desired object or pattern using Computer-Aided Design (CAD) software. This can be a 2D drawing or a 3D model.
Toolpath Generation (CAM): The CAD design is then imported into Computer-Aided Manufacturing (CAM) software. This software translates the design into "G-code," which is a programming language containing instructions for the CNC router's movements (X, Y, and Z axes), cutting speeds, and tool changes.
Material Setup: The piece of wood (or other compatible material) is securely fastened to the router's workbed, often using clamps, screws, or a vacuum hold-down system.
Tooling: The appropriate cutting bit (also known as a router bit or end mill) is installed in the machine's spindle. There are various types of bits, each designed for specific cuts like straight cuts, V-grooves, rounding edges, or intricate carvings.
Execution: The CNC router's controller reads the G-code and directs the spindle (which holds the rotating cutting bit) to move along the programmed path. The bit removes material from the workpiece according to the digital design, creating the desired shape, engraving, or cut.

Applications of CNC router:

CNC router finds application in architectural mill work, aluminum and metal composite cladding, sign-making, graphics & print finishing, wood working, plastic fabrication, metal fabrication, foam packaging, die maker, duct maker, solid surface, MDF cutting, 3D panel mold making, 3D plastic trimming, residential & commercial constructions & many more

Sample images05 from the internet

Technical Specifications:

X-Y Axis Working Area	1300 x 2500 mm
Z Axis Working Area	300 mm
Spindle Power	3.5 kW
Model	1325 Series
Job Material	Wood, MDF, PVC, Foam Board, Acrylic, Plywood, HDF, Sign Board
Spindle Speed	18000 RPM
X-Y Movement	Rack & Pinion
Z movement	Ball Screw
Command Code	G Code .U00
Driven Motor	Stepper Motor
Control System	Digital Signal Processor (DSP)
Machine Weight	500 kg
Country of Origin	Made in India

Safety Gears:

Safety gloves are a crucial piece of Personal Protective Equipment (PPE) designed to protect hands from a wide range of hazards in various work environments. The "best" safety glove isn't a one-size-fits-all answer; it depends entirely on the specific risks and tasks involved.

Why are Safety Gloves Important?

Our hands are constantly exposed to potential dangers in many workplaces. Hand injuries are incredibly common and can range from minor cuts and abrasions to severe injuries like amputations, burns, chemical exposure, and nerve damage. Proper safety gloves significantly reduce the risk of these injuries, leading to:

Injury Prevention: Directly shielding hands from hazards.
Improved Safety: Allowing workers to perform tasks more safely.
Increased Productivity: Reducing downtime due to injuries.
Reduced Costs: Minimizing medical expenses, lost work time, and insurance claims.

General Rule for CNC Routers (and any machine with rotating parts): DO NOT WEAR LOOSE GLOVES WHEN THE MACHINE IS OPERATING, ESPECIALLY NEAR THE SPINDLE OR ANY MOVING PARTS.

The primary hazard is entanglement. A loose glove (or any loose clothing, long hair, or jewelry) can get caught in the spinning bit, the moving gantry, or other rotating components. If this happens, it can pull your hand, arm, or even your entire body into the machine, leading to severe injuries, including degloving (where skin is torn off), broken bones, or even amputation. This is a very serious risk.

Cut-Resistant Gloves: Graded by ANSI levels (A1 to A9, with higher numbers indicating more cut resistance). Essential for handling sharp stock or tools when the machine is off. These are often made from materials like HPPE (High-Performance Polyethylene), Kevlar, or blended fibers and are designed to protect against cuts and abrasions when handling sharp tools or materials.

Handling Raw Materials: When loading or unloading rough wood, plywood, or other materials, you might encounter splinters, sharp edges, or rough surfaces. In these cases, wearing durable, well-fitting work gloves (like leather or heavy-duty synthetic gloves) can protect your hands.