BoringHead for Milling machine

High precision doesn’t need to mean reduced efficiency. With a fast traverse rate of 25 m/min, as well as fully automatic tool-changing capabilities and a dual pallet shuttle, the Giddings & Lewis MC 1250/1600 models achieve exceptionally high productivity rates.

Giddings & Lewis are renowned for producing the most rigid and accurate machining platforms in the industry. The PT Series machines have a stiff machining platform, comprising a one-piece column base and bed. In addition to high precision, high stiffness gives thesemachine tables a substantial weight capacity, with the ability to handle parts weighing as much as 40,000 kg.

IndexableBoring Bar

Cutting Action: The primary distinction between an up-cut and a down-cut spiral router bit is their edges are cut in the opposite direction of rotation. If the flute rises to the right when reading the flutes from left to right, you have an up-cut, it sends all the chips upwards, so it leaves you a clean bottom side. On the contrary, A down-cut is present if the flutes descend to the right. A compression spiral router bit has an up-cut which is approximately the first one-quarter of the cutting length of the router bit, while the remaining of it is a down-cut.

Designed with a modular setup, you can choose from three different headstocks (two or four-speed, 130 or 155 mm diameter). Capabilities can be expanded with the addition of rotary tables or attachments, such as contouring heads and programmable boring bars.

The Giddings & Lewis RT Series of boring mills are designed for exceptional versatility, making them a smart choice for a wide range of industries, including aerospace, automotive, mining and defense.

Boring bar millprice

Equipped with a standard boring mill live spindle, the Giddings & Lewis FT features programmable boring bars and contouring heads to add machining versatility and reduce the number of tools needed. Automated attachment-changing optimizes efficiency and reduces cycle times. Even large attachments can be automatically changed.

In CNC router industrial applications, up-cut, down-cut, and compression spiral router bits are the usual cutting tools, and they come in different flute directions. A spiral router bit is generally used for plunge routing. Spiral router bits have angled cutting edges, so they slice through wood rather than chop it. As a result, they are superior at minimizing heat buildup, improving chip evacuation, and leaving a cleaner cut behind. In the field of woodworking, the selection of the optimal up-cut, down-cut, and compression spiral router bits stands as one of the many perplexing matters for many individuals. That’s why this blog will pick these spiral router bits to guarantee that you always obtain the most suitable finish.

When considering the options of up-cut, down-cut, and compression spiral router bits, choosing the right router bit for your woodworking project is pivotal to achieving precision and quality in your cuts. Thus, it depends on how you want the final result to look. It is recommended to use an up-cut bit when cutting mortises because it effectively removes chips from the hole. Although a sharp up-cut spiral router bit works just as well, a down-cut spiral router bit is more frequently employed for shallow inlay work. Compression spiral bits stand out as a superior choice for many applications as they integrate the combined advantages of up-cut and down-cut spiral bits. By carefully considering the requirements of your specific woodworking task, you can determine which type of bit to use in each situation. Contact us for guidance if you’re not sure which option will be ideal for your project especially when working with challenging materials or intricate applications. Findbuytool offers a diverse range of high-quality up-cut, down-cut, and compression spiral router bits, providing you with the perfect tools you need to achieve exceptional results. We combine micro-grain carbide, a full CNC production line, a top-quality steel body, and self-invented product quality inspection procedures to produce industrial-grade CNC router bits for our customers. We hope this guide will improve the outcome of your future projects.

The Giddings & Lewis FT 3500 has an entirely modular design, which means you can select the features and capabilities you want, based on your application requirements.

Diyboring bar mill

An up-cut spiral router bit is recommended for most case usage. It’s great for plunging as it’s evacuating the chips upwards so you can do a straight plunge. For a woodworker who wants to make a dado or groove in straight-grain hardwood like walnut and maple, an up-cut spiral router bit would work better since it would allow for much greater chip evacuation and a cooler cut, which allows for faster cutting. When it is machined in a router table, an up-cut spiral router bit will pull the chips out of the cut. Since up-cut spiral router bits are designed to pull projects away from the work table, you should have enough hold-down clamps when working with smaller pieces.

Designed with a single-piece cast iron bed, Giddings & Lewis boring mills provide exceptional rigidity and unrivaled accuracy. The inherent high stiffness in the machines guarantees a reliable performance over and over again, with minimal downtime.

With a one-piece column base and bed, these rigid machining platforms deliver exceptional stiffness for precise, heavy cuts. Accuracy is further enhanced by the capability to probe with either the main spindle or an auxiliary probe. These machines are ideal for industries such as oilfield, defense, aerospace and construction, where high precision in the boring of large workpieces is crucial.

A compression spiral router bit is a combination of an up-cut and down-cut spiral router bit. It splits the bit in half down the center, with an upward spiral first and a downward spiral following. The up-cut edge is on the tip of the spiral bit and a down-cut edge is close to the shank. This allows the bit to push the chips toward the center of the bit rather than outwards, and chips are thrown down by the top part of the bit while the bottom part is scooping them up. Accordingly, this gives you the best of both worlds, and your cutting material will retain a very nice and neat edge on the bottom and top edges, as well as producing a perfect trimming finish.

Offering fully automatic tool changing capabilities, these machines are highly efficient and have minimized part machining cycle time. A good investment, they deliver high productivity with a low cost of ownership.

Boring bar millfor sale

Cutting Material: Up-cut spiral router bits are by far the more versatile router bits than down-cut spiral bits. They are commonly used for making dados, mortise, tenons, and shallow grooves in bottom-veneered boards without tearing them out. Down-cut spiral router bits have a smooth cutting action, remove debris efficiently, and create clean edges on materials such as inlay, plywood, or laminated material. They are also suitable for carving and engraving designs and use in CNC applications. Compression spiral router bits made from robust solid carbide are typically super sharp and durable. It is perfect for cutting materials like double-sided veneers, softwood, hardwood, MDF, laminates, and composite materials as compression spiral router bits cut more effectively throughout and leave a cleaner cut surface on both the top and bottom of the material.

With a built-in contouring rotary table and an additional axis, these machines are ideal for boring prismatic parts that require work on multiple surfaces. Meanwhile, the one-piece rigid machining platform, which is characteristic of all Giddings & Lewis boring mills, makes easy work of heavy, high-precision cuts.

Up-cut, down-cut, and compression spiral router bits are the common spiral router bits, they differ greatly from one another in some aspects.

The Giddings & Lewis PT 1500/1800 boring mills feature preloaded roller guide ways, which offer significant advantages over other types of way system.

Boring barmachine

The Giddings & Lewis FT 3500 is a large precision boring mill, designed for the most demanding applications in heavy industry.

Flexibility is a key feature of these machining centers. The machines are crafted with an entirely modular design, so we can work with you to create a custom machine that combines the features and capabilities that you need, based on your application requirements.

Chip Removal: The way the flute goes determines in which direction the chips are pulled. Up-cut spiral router bits evacuate chips more efficiently and allow faster feed rates than down-cut spiral router bits. Down-cut spiral router bits will drive wood chips into the cut and buildup, and require slower feed rates. Compression spiral router bits provide better chip evacuation, smoother and faster cutting, and cleaner finish.

Smallboring bar mill

The Giddings and Lewis MC Series of horizontal boring mills offers the ultimate performance in automated large part production.

Giddings & Lewis boring mills are widely recognized as the most rigid and precise machining platforms in the industry. With unrivaled accuracy and the ability to meet the tightest tolerances, these machines deliver the highest possible quality results, every time. Not sure which one is right for you? Our expert engineers will work with you to find the perfect solution from our flexible, modular range.

The Giddings & Lewis PT Series of horizontal boring mills are ideal when high flexibility is required to process a wide range of parts.

AdjustableBoring barfor Milling machine

A modular set up means that you can choose the features and capabilities that you need for your individual production process.

The Giddings & Lewis T-Bed 130/155 boring mills offer high flexibility and can be customized to meet your individual machining requirements. A variety of attachments and probes are also available to further increase versatility.

The Giddings & Lewis RT 1250/1600/2000 models are robust, heavy duty boring mills with a substantial weight capacity. They can handle any part weighing up to 40,000 kg.

Engineered to offer superior stiffness and thermal stability, this machine can make accurate, heavy cuts to produce parts for bulldozers, cranes, power generators, mining shovels, airplanes and oil rigs.

Up-cut spiral router bits are an efficient tool for moving chips up and away from the slot being cut with their upward spiral cuts. Because of this upward cutting direction, it sufficiently minimizes chips on the lowermost surface and leaves a smooth and nice finish on the bottom surface of the material but a rough top edge. It’s therefore the ideal option if you want to ensure that the good side of your project is facing downwards.

In addition to the standard boring mill live spindle, the large, heavy-duty Giddings & Lewis FTR 3500/5000 models have a rectangular ram for extended reach and rigid cutting performance capabilities.

The machines offer the signature high stiffness, accuracy and reliability of the Giddings & Lewis brand, at a price point that is appealing to a wide range of industries.

Reduced cost does not mean reduced quality. Constructed from cast iron with a cross-braced column, these are ridgid boring mills that are made for heavy duty precision cutting. Large linear rails with heavy duty roller carriages and linear scales provide a precise, low friction system that can withstand high thrust. Machine stiffness is further enhanced by the 10 ton hydrostatic table, which offers 360 degree clamping. Meanwhile, the electronically-counterbalanced headstock delivers a superior contouring performance.

A down-cut spiral router bit is the opposite of the up-cut. Down-cut spiral router bits are used for downward cutting in woodworking or materials that are prone to tear out or splinter like plywood, or veneers. A down-cut spiral bit will minimize the chips on the uppermost surface of the work. It’s beneficial for producing a clean cut on top of your wood while producing some tear out at the bottom of your cut. This router bit is therefore a great choice if you want to have neat and clean pockets in your project or if the good side of your project is facing upwards. When using a down spiral bit, the chips would be pushed into the cut and buildup, which would considerably produce more heat, cause burning, and reduce the lifespan of the router bit. When it is machined in a router table, it’s crucial to feed slowly to ensure safety as you would be struggling against gravity.

Designed with a modular set-up, the Giddings & Lewis FTR 3500/5000 models can be fully customized to meet the needs of your individual application.