CNCCookbook's G-Code Tutorial and Course

CNCCookbook's G-Code Tutorial and Course

G-Code is an important CNC skill that's easier to learn than it looks...Looking to learn CNC G-Code? Need a quick and easy G-Code Tutorial or G-Code Course? Want some easy G-Code Training? Maybe you just want to learn more about a specific G-Code related topic or see particular G-Code examples. If so, you're in the right place with the CNCCookbook CNC G-Code Course. It's free, it's easy, and it's chock full of good information. This page is the syllabus. The articles are all listed below. There's no need to register, just get started learning at your own pace.What is G-Code?G-Code is the language used to control CNC machines. It's one type of CNC programming that CNC programmers use, the other type being CAM programming. Your machine's CNC controller probably executes g-code, although there are other possibilities--Heidenhain, Mazak, and others have proprietary formats. Some machines with proprietary formats can also run g-code. It is the Lingua Franca (working language) of CNC.In order to make a part on a CNC machine, you tell it how to make the part using a G-Code Program.

Equipment sheet metal 

Punch Press
Perforation is generally the most severe operation performed in a die. That’s because the punch press applies forces ranging from a few tons to more than 1000 tons. Proper press alignment is essential. While die set has some effect on alignment during operation, it cannot offset poor press alignment.
Simple Die
A simple die typically perforates holes in a part or blanks out the part using punches in conjunction with mated lower die components (matrixes). Simple dies also commonly produce basic forms as well as perform notching and lancing operations.
Simple dies require a press operator to load and unload parts and part material before and after each press cycle.
Compound Die
A compound die blanks and perforates a part at the same time in the same station. In most cases this operation perforates a hole or holes down, while the part blanks up. This allows slugs from those holes to fall through the die. This method leaves the part in the die, requiring some means of part removal.
Compound dies commonly run as single-hit dies. They can run continuously with a feeder, provided you can remove the part in a timely manner. Open Back Inclinable (OBI) presses - in the inclined position along with an air blowoff - aid in part removal.
Advantages of a compound die include:
• Minimal space in the press
• All burrs in one direction
• Superior accuracy between holes and trim edges
• More economical to build than a progressive die
A disadvantage of a compound blank die is its limited space that tends to leave die components thin and weak. This concentrates the load and shock on punches and matrixes, resulting in tooling failures.
Progressive Die
Progressive dies provide an effective way to convert raw coil stock into a finished product with minimal handling. As material feeds from station to station in the die, it progressively works into a completed part.
Progressive dies usually run from right to left. The part material feeds one progression for each press cycle. Early stations typically perforate holes that serve as pilots to locate the stock strip in later stations.
There are many variations of progressive die designs. The design shown here illustrates some common operations and terminology associated with progressive dies.

sheet metal manufacturing

ESI Group unveils , the only complete solution for sheet metal manufacturing

PAM-STAMP 2G 2007 boosts reliability in tool and die design & forming simulation

PAM-STAMP 2G 2007 is extended to include simulation of hot forming. This major step marks the beginning of consortium with industry leaders to continue the research and development in this new field. The software captures the temperature dependent material behavior. This advanced capability totally supports the latest trends in automotive construction for ultra high strength steels for vehicle weight reduction.

• Fully automatic springback compensation methodology

 “Consistent simulation methodology is considered to be key to the success of obtaining predictive quality results. In partnership with Renault and Arcelor, ESI Group has developed a fully automatic springback compensation methodology. The aim was and is to get the appropriate shape of the die, so that the panel after springback is within tolerance. The engineer can obtain a robust industrial solution in a short time with accurate springback prediction”, says Dave Ling, Product Manager for the stamping line.

• Usability improvement in  PAM-DIEMAKER

The PAM-DIEMAKER module, based on INPRO technology, designed to create the die addendum within minutes, focuses on user-friendliness and workflow streamlining. A major feature ‘Auto-addendum’ provides engineers with an extremely quick and easy way to create an initial die addendum.

• PAM-QUIKSTAMP compliments PAM-AUTOSTAMP to deliver full value chain

‘PAM-QUIKSTAMP’ plays a crucial role in the stamp simulation value chain by providing reliable formability assessment quickly and easily, to support early die design and process iterations, before transferring directly to ‘PAM-AUTOSTAMP’ for detailed validation and tolerance control after Springback.

For more information, please contact either your ESI Group representative or visit

ESI Group’s Metal Forming Simulation Solutions

PAM-STAMP 2G offers a unique stamping simulation value chain, from quick stamping die design, through early feasibility, to final validation and quality control. The full range of features includes:  parametric and surface-oriented binder and addendum generation with PAM-DIEMAKER, rapid and optimal feasibility analysis with PAM-QUIKSTAMP Plus, and highly accurate forming validation, which can provide surface defect visualization, springback prediction and automatic die compensation with PAM-AUTOSTAMP. ESI Group’s Metal Forming solutions now extend to: the design and simulation of tube hydroforming dies with PAM-TUBE 2G, part feasibility check and rapid die creation integrated within PLM environment with PAM-TFA, and PAM-DIEMAKER for CATIA V5.

About ESI Group

ESI Group is a world-leading supplier, and a pioneer of digital simulation software for prototyping and manufacturing processes that take into account the physics of materials. ESI Group has developed an extensive suite of coherent, industry oriented applications to realistically simulate a product’s behavior during testing, to fine-tune manufacturing processes in accordance with desired product performance, and evaluate the environment’s impact on product performance. ESI Group’s products, which have a proven track record in manufacturing and have been combined in multi-trade value chains, represent a unique collaborative and open virtual engineering solution known as the Virtual Try-Out Space (VTOS), enabling virtual prototypes to be improved in a continuous and collaborative manner. This integrated protocol allows all the company’s solutions to work with each other and with applications developed by independent software vendors. By significantly reducing costs and development lead times and enabling product/process synergies, VTOS solutions offer major competitive advantage by progressively eliminating the need for physical prototypes during product development. The company generated sales of €62.2m in 2005, employs over 500 high-level specialists worldwide covering more than 30 countries. ESI Group is listed in Eurolist compartment C of Euronext Paris. For further information, visit

Virtual Try-Out Space® and VTOS® are registered trademarks of ESI Group. All other products, names or companies are the brands or registered trademarks of their respective owners.

Compound Die Stamping

	Supported by our 250 ton press, Bishop Metal Stamping’s compound die stamping services are used to manufacture products like drag chains, air filters, garbage can lid locks, and coining, serving the marine, automotive and industrial air filtration industries, as well as the disposal sector for municipalities. We will manufacture in quantities from 100 to 100,000 units, including short run production, and also accept contract manufacturing business. Our press runs compound stamping operations with up to a 14 in. press stroke and 42 in. x 30 in. beds, and produces parts with thickness from 0.005 in. to 7 gauges, within a tolerance of +/- 0.005 in. Options for our stamping features include flat, heat treated, surface critical, tapped, and threaded stamping. Materials we work with include aluminum, copper, and ferrous metals, and we can finish products with drilling, tapping, plating or other surface operations. Contact Bishop Metal today to learn more about our capabilities.
Specifications Press Rating 10 - 250 tons Production Volume 100 to unlimited Press Speed 80 cycles/min Maximum Press Stroke 14” Maximum Press Bed Length 42” Maximum Press Bed Width 30” Part Length Max: 20” Part Width Max: 20” Part Diameter Max: 24” Part Thickness 005" up to 7 Gauge Part Weight Max: 40 lbs Tolerance (+/-) +- 0.005” General Capabilities Contract Manufacturing Custom Production Prototype Industry Focus Automotive Disposal for Municipalities Industrial air Filtration Marine Intended Application Air Filters Coining Drag Chains Garbage Can Lid Locks Truck Mirrors Industry Standards ISO Compliant Production Method (The raw stock is fed into a single die that has 2 or more stamping functions.) 5 Head Progressive Die Compound Die Finishing Capabilities Anodizing Drilling Plating Powder Coating Tapping Materials Aluminum Brass Bronze Carbon Steel Cobalt Steel Copper Ferrous Secondary Operations We have a Full Tool and Die Design and Fabrication Shop to Support Our Stamping Operations. Stamping Features Coated Countersunk Cruciform Embossed Enameled Flat Heat Treated Numbering Ornamental Shape Critical Strain Relief Surface Critical Tapped Threaded Additional Services Provided Consulting Design File Formats AutoCAD (DWG,DWZ) PDF