CNC Cutting Machine

The operators of the present-day CNC cutting machine demonstrate many of the same skills as those possessed by various traditional craftsmen. The operators of the CNC cutting machine include the men and women who design and make cabinets, woodwork, signs, and a whole range of metal, solid surface and plastic objects. The manufacturers who employ these operators know how important it is to have a good quality CNC cutting machine.

A good quality CNC cutting machine has a cutting table that covers the area bounded by a length of four feet and a width of eight feet. A quality table can handle satisfactorily a standard 4 x 8 plate of metal, wood, plastic, glass, or stone. A table that lacks a sufficient length or width will make it necessary for the operator to repeatedly reposition the plate. Operators of the CNC cutting machine refer to such repositioning as indexing.

A good basic CNC cutting machine does both plasma and oxyfuel cutting. Refinements on a basic cutting machine might provide it with the ability to perform other functions, functions such as:

-spotting holes for drilling
-drilling aluminum
-cutting a shape in the sides or end of tubing
-routing wooden shapes.

Other modifications on a CNC cutting machine might be directed at installation of the equipment for laser or water jet cutting.

The selection of a CNC cutting machine will be primarily determined by the nature of cutting that will be performed by the machine operator. For some operations, it will be necessary to do only straight cutting. For other operations, the cutting machine must perform bevel cutting. Bevel cutting allows the operator to trim, reduce, shave, and pare the material in the plate.

Both types of cutting will subject the CNC cutting machine to a fair amount of wear and tear. The manufacturer therefore needs to purchase a machine with adequate customer support. Such support should include the availability of spare parts. An absence of spare parts could require that the electronics of the CNC cutting machine undergo a retrofitting.

A need for retrofitting would deprive the operator of important production time. The need for retrofitting would diminish the quantity of goods that could be sold to the consumer. The need for retrofitting leads to a decrease in the amount of time that the operator will be spending at the CNC cutting machine. That is why the availability of spare parts for a malfunctioning CNC cutting machine remains one of the two chief concerns of the manufacturer. A second prime concern is the size of the cutting table.

The operator of a CNC cutting machine that needs to spend a large percent of time indexing will not have much time to spend on the actual cutting. Hence, the manufacturer will have much less product. Fewer products from the manufacturing facility translate into fewer products on the shelf. Consequently, the need for operators to spend time indexing can prove a detriment to the company’s bottom line. A good sales volume reflects the well-planned purchase of a CNC cutting machine.

Spike Lee: Top Films and Unforgettable Controversies

Spike Lee is one of the most influential and provocative American moviemakers. Recently, he celebrated the 20 year anniversary for the release of his remarkable debut film Shes Gotta Have It. His films are groundbreaking in their controversial approach towards social and political issues and offer different perspective on race, class and gender issues in contemporary America. Spike Lee was born as Shelton Jackson Lee in 1957 in Atlanta, Georgia to a jazz musician and an art teacher. When Lee was a young child, the family relocated to Brooklyn, which was used as a background for many of Spike Lee's movies. Lee's talent was recognized while he was still a film student in NYU. His thesis film Joes Bed Stuy Barbershop: We Cut Heads won 1983 Student Academy Award for best director. Spike Lee's debut movie Shes Gotta Have It was released in 1986. The movie was shot in 12 days in a budget of 175,000 dollars. The film was written, produced and directed by Spike Lee. Shes Gotta Have It tells the story of Nora Darling, a young, independent African American graphic designer who cannot commit to any of her three lovers. Tracy Camilla Jones played the role of Nora Darling. Tommy Redmond Hicks and John Canada Terrell along with Lee himself played the three men in Noras life. Shes Gotta Have It was a landmark film in its presentation of African American characters in an American movie and part of the explosion of 80s independent movie industry. The African American community embraced the movie, which displayed a non stereotypical group of young, intelligent black American people. The film won the Prix de Jeuness at the Cannes film festival for the best new film by a newcomer. The 1992 biographic epic Malcolm X is considered by many as Lee's best film. The 195 minutes movie depicts the story of the African American activist Malcolm X, from his early childhood to his assassination. Lee uses the Malcolm X story to confront the audience with the racial discrimination and violence that black people went through during the 1950s and 1960s in America. Spike Lee's name was associated with many controversies. He was often accused of anti Semitism and racism for portraying Jews and Italians in his films a stereotypical manner. His 2001 television miniseries about one of the Black Panthers founders, Huey P. Newton, stirred another controversy, which helped establish Lee's image as a provocative and radical figures in the American film industry. Lee's latest project is the documentary When the Levees Broke: A Requiem in Four Acts, which tells the story of New Orleans post and pre hurricane Katrina. The four hours documentary is about the New Orleans culture, the damage caused by hurricane Katrina and the recovery efforts. Lee does not spare his critic on the government inadequate reaction to the destruction. 5 Top Movies Directed by Spike Lee Do The Right Thing: this 1989 comic drama shows what happens in Brookline when the interracial tension heats up during the hottest day of the year. Starring: Spike Lee, Danny Aiello, John Turturro Mo Better Blues: Denzel Washington as a jazz trumpeter who makes all the wrong decisions regarding his musical career and relationships. Jungle Fever tells a pessimistic interracial love story between an African American man and an Italian American woman. Girl 6 looks at the life of a young black actress who prefers working as a phone girl than being abused by movie directors 25th Hour is dedicated to the last 24 hours in the life of a New York drug dealer before his jail term begins.

Quiz Yourself About Your Love With Computers

Computes and Internet are the key to the Information world we live in. People talk less and chat more on the Internet. Online games are becoming more popular than anybody could ever imagine. Chat rooms are always crowded and emails are the preferred method of sending messages. Messengers are becoming the preferred method of talking across the globe. The earth has gone flat no doubt. Computers, programming, searches, Internet, downloads, blogging, websites, all these words are becoming so common that no body can imagine that it all started not many years back. Today across all the ages, this is equally popular. Latest innovations are appearing everyday and companies are minting money online. All this was never predicted but this has become a reality. Is people to people contact is suffering because of Internet? Are we searching for unnecessary information and over loading ourselves? When so much information was not available to us, we could live, isn’t it? Then why do we search for any and everything online? Does that make our life better? In the earlier days, people took time to write letters to each other. Now it is sending a mail, which somehow does not have that personal touch. Language is also suffering because of the new lingo of the cyber world. I sometime imagine of people living in a peaceful area away from our civilization. Give them computers and connect them with Internet. Will they not lose all the peace they had before?

CNC And CAD Software - How Do I Choose The Right CAD Program For Me?

There are multiple CAD programs available for design. Generally people become familiar with one and stick with it. As far as selecting the right one, my advice is this. Most software companies have a free trial. Thirty-day trials are common. Take advantage of these trial periods and test the software out. Then at the end, decide if you want to try another software or stick with your best one. I would advise you try out at least three different packages.

The one you select will probably have to do with you liking the interface or finding it intuitive. Keep in mind it may work for you now. A simple to use and understand interface probably has some limitations for your designs. The very best programs are complex with many tools that give you the most control. I have found that I start with a simple program and outgrow it. At some point I move up to the next level of software. This usually means a higher price as well.

Types of CAD

There are different types of CAD out there. These are the ones I deal with from time to time. 2D CAD, 2.5D CAD, and 3D CAD. Here are some quick explanations of each type.

2D CAD

2D CAD is generally on the low end of CAD software packages. 2D CAD is most often vector based. The design consists on the X and Y-axis only. The designs are made up of lines, circles, ovals, slots, curves, etc. There is no “depth” to the design. Only the outline of the part is visible, to put it in a different way.

2.5D CAD

All of the same descriptions above apply, but the design is prismatic. By that I mean it has the depth of the material. There are Z levels, but they are on singular planes.

3D CAD

3D CAD is on the high end of CAD software packages. 3D CAD can be solid based, wire frame based or nurbs based. The design consists on the X, Y and Z-axis. The designs are made up of lines, circles, ovals, slots, curves, etc, but can also include Spheres, Pyramids, Torrids, Cubes, etc. There is depth to the design. The design can be rotated around 360 degrees. The design is an accurate description of what the part would look like if produced in the real world.

Printing Glossary And Terminology

The following is by no means all of the terms that you may come across when dealing with your printer. What we wanted to do here is provide you with many of the most common terms so you can understand the catalog printing process better. Many of these terms are ones that you will not have to deal with at all as most catalog printers offer full service. Bleeds: This is where your design calls for the ink to go all the way to an edge of the page. To determine the number of bleeds you have to count all of the edges the ink goes to. In other words, your page has a top, a bottom, a right, and a left edge. Each edge your ink will go to is one bleed. Bluelines: This is a proof of your catalog on film that is used to verify that everything is correct. Camera Ready Art: This are not your photographs. Those will be photographed as half tones. (See glossary term, Half Tones) This is about your artwork. It has to be provided to the printer on a board or paper ready to be photographed. If there is more than one color, each color has to be on a different sheet of paper or board piece. You should also include the composite where all of the colors are on one paper or board so the printer knows what the outcome should look like. Color Key: This is an acetate film proof of your catalog. Each color is produced on a separate sheet, then laid over each other to make sure everything is in the right place. This method is generally less expensive than match print, but not as accurate. (See glossary term Match print.) Composed Film: These are pieces of film that are ready to be stripped or put together with other pieces of film to make plate ready film. Plate ready film is used to make the plates your printer will print your catalog with. Coverage Percentage: If your catalog has areas where there will be 100% ink coverage and you tell your printer, then they can use the correct press and processes to produce it for you. Cover Ink: There are two types of ink to choose from for your cover. CMYK and PMS. If you are selling an industrial product you might use PMS, but for most products the cover uses the CMYK method for processing images. Cover Stock: This is the heavier paper used for the cover of your catalog. It can also be used for the interior pages if you want to present your product better. High end products are usually sold in catalogs that use this higher quality paper throughout the catalog. Design: The combination of everything from your photos to your fonts, layout, logos, artwork, and all to produce a piece that is ready to photograph and print. Die Score or Cut: This is the method used to crease where your catalog will be folded. If your catalog has pockets this is the method your printer would use to “score” the crease where the folds are needed. Emboss: This is where the printer creates a die and stamps your paper from the rear to make a shape stand out. This can be raised print or a logo, etc. Foil Stamp: This is where your printer creates a die that is used to stamp metallic gold, silver, or other colored material onto your catalog pages or cover. Fold Type: Whether your catalog will be folded in half from top to bottom, folded left to right like a magazine, or tri-folded like a brochure. Half Tones: This is where the printer takes the photos you want in your catalog and scans them or shoots them with a camera that has a honeycomb lens. This converts your photograph to an image made up of many tiny dots that allow for correct printing of the photos. Match Print: For high end product catalogs, this is the recommended method. Each piece of film contains one of your colors, then they are laminated together to make a single piece ready for printing. If the accuracy of the colors is important to you, then this choice is best. Number of Pages: The number of pages you choose for your catalog. This is always in multiples of four. Output Film: To rip your digital files and produce your art as film that is ready for print. Output Ready Disk: This is a disk you provide to your printer as a complete product. The only thing they need to do is convert it from digital to analog film. The disk should contain a separate folder for images and one for fonts. Perfect Binding: This is a binding process normally used for high-end product catalogs or catalogs that will be over 80 pages. Perforate: If you want to have tear outs such as coupons, you would instruct your printer to perforate the edges of the tear out. Quantity: The number of catalogs you need to have printed. The larger the quantity, the less each catalog will cost to produce, so you may want to order a few more catalogs than you need. They can always be distributed elsewhere. Reflectives: This is where the printer makes a print from your photographs or your negatives. Saddle Stitch Binding: This is a binding process normally used for catalogs that will be less than 80 pages and to save money over the perfect binding method. Scans from Transparencies: Scanning is the process that takes your transparency and records your images as a digital file. Set Type: Laying out your type onto a page. This term also applies to the selection of the right font and typeface for your layout. Spread or Flat Size: This is the size of the paper that will be used to print your catalog on. Once folded it will become the Trim Size. See glossary terms for Trim Size. Text Ink: This is the type of ink and the number of colors you will choose for the interior pages of your catalog. The two types of inks you can choose from is CMYK and PMS. If you will be using photos, you will likely be going with CMYK. If everything is text and few images, your printer may suggest PMS. Text Stock Paper: This is the lighter paper your interior catalog pages might be printed on if you are trying to save money or you are selling an industrial or low end product. Trim Size Folded: This is the final size you want your catalog to be. For instance, if you want an 8 ½ by 11 catalog, the printer uses 17 x 11 paper to print it, then folds it in half so it becomes 8 ½ x 11. Trim Size Folded is the term the printer uses to ask you the final outcome size you desire. Always remember that the width is always given before the length or height.

CNC And CAD - Print Reading And Drafting

When I went through college I learned how to read prints and draft. We had a bag of physical tools that we purchased and hauled around campus. T-Squares, French Curves, compasses, pencils and erasers filled this bag. Then you had a pad of drafting paper and a drafting desk. You would pin or tape the paper down and begin drawing or drafting.

Drafting paper has a grid to help keep you aligned as you began you design. In CAD, there is a grid you snap to, or guides to keep you straight. We had hard plastic templates to draw curves. CAD has numerous tools to draw curves and lines. We had calculators to figure out distances and ratios. CAD does this automatically.

Overall, you can view CAD as replacing Drafting. CAD moved the same type of process into a more flexible and efficient environment. CAD has also helped out with networking of designs. Different designers and engineers can work on the same assembly in different parts at the same time. This team effort really moves the overall process along much faster.

However, as far as print reading goes, that is about the same as it was before. Drafting outputs prints and CAD outputs prints. A human still needs to be able to read them and make sense of them. A plus with CAD is that it is much more standardized and clear. Many times before, prints were unique to their maker. Similar to handwriting, you could not always figure out what the engineer wanted to convey to you. CAD cleans all that up.

CAD is the way we work today. I would be very surprised if you could come across a shop that has hand drawn prints. It just isn't practical. Precision and accurate prints are the way manufacturing increases efficiency.

CNC And CAD - Computer Aided Design

CAD stands for Computer Aided Design or Computer Aided Drafting. CAD was developed in the early 60s. Today it is the premier way to design, develop and optimized products. People use CAD every day to design virtually every product you see. Generally, designers use CAD to design a product, and then produce prints to manufacture that product. A print is a picture of a part or assembly that is very exact. It includes the dimensions and a parts list used to manufacture a product.

CAD is the use of computer based software packages that assist engineers, architects and other design professionals in their designs. CAD is the part of the main designing process and involves both software and sometimes hardware. Current software packages range from 2D vector based drafting systems to 3D solid and surface modelers.

Computer Aided Drafting software packages can generally be broken into two groups. The groups are 2-D drafting packages or 3-D drafting packages. Most all software packages are moving to 3-D design. 3-D design is really the next generation of CAD. Utilizing 3-D design, engineers can make a model of their product. They can then look over this model for any apparent defects before it is ever made.

CAD is used to design, develop and optimize products. CAD is mainly used for the engineering of models and/or drawings of components. It is also used throughout the engineering process from concept to design of products. These products can be used by end consumers or used in other products. For example, you can design a bolt in CAD, and then use it in a Sub-Assembly in a planetary, which is a part of an earth-moving machine. CAD is also used in the design of tools and machinery. Finally, it is used in the design of all types of buildings from sheds to shopping malls.