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Telcon Introduces a New  Fullnib PCD Drill: The Helicon

11/11/2020

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Telcon Helicon Fullnib PCD Drill Case Study Aerospace
​Telcon has just introduced the new Helicon PCD Fullnib Drill designed to meet the most exacting demands of today's composite materials such as CFRP- carbon fiber reinforced polymer, graphite, aluminum, plastics and other hard-to-cut abrasive materials. 

​Telcon's new designed PCD Full-Nib drill has improved cutting edge for composite materials, which allows smooth, non-delamination cut. The drill point is a solid PCD diamond nib for maximum wear resistance and flexibility of the insert geometry.  The solid nib is resistant to cracking and chipping and has a large regrinding area for multiple sharpening.
The smaller sizes, 2.5mm and 3.3mm are specifically designed for pilot (predrilled) holes. These tools reach tool life of thousands of holes before reconditioning.  Usually, 3 reconditioning cycles are possible.
  • The most versatile geometry PCD drill with a wide range of applications in Aerospace composites CFRP and GFRP in medium to small holes sizes.
  • Can be reused up to 5 times.
  • Other dimensions are available per request.
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Three Free Machining Apps From Canela: Machining Calculator, iCatalog and iStock.

10/14/2020

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Canela Corp now has three application for iPhone and Android platforms to make you job easier and faster! They have a the Machining Calculator app, the iCatalog so you can find the tools you need and the iStock app to check inventory of the items you want.

Machining Calculator App

Canela Machining Calculator App iPhone Andorid
This Machining Calculator App for iPhone, iPad and Android is designed to help engineers and machinists optimize the performance of their turning, milling and drilling applications by calculating optimal cut settings based on job parameters.  Download the Machining Calculator App in the links below
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iCatalog: Find the Tools you Need

Canela Machining Calculator App iPhone Andorid
This iCatalog App for iPhone, iPad and Android is designed to offers a wide array of product literature organized by metalworking application. Canela's iCatalog provide in-depth information on tooling features, operating parameters, technical specifications, and more detalis. Download the iCatalog App in the links below.
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iStock: Check Inventory

Canela check iStock App iPhone Andorid
The iStock App for iPhone, iPad and Android is designed to check the items in stock at Canela and the delivery times of the non-stocked items. Download the iStock App​ in the links below
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YOURCUT 360 Just Needs a Sketch of Your Cutting Tool in a Napkin!

8/19/2020

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CONTOUR360º has a proven track record of designing and building custom tooling required for difficult and extremely precise machining operations.

They have a great program called YOURCUT360 which can find solutions to solve your most difficult applications effectively and economically. Every tool they manufacture is engineered, designed, processed, and applied with meticulous attention to every detail.

YOURCUT360 custom tool offering comes complete with state-of-the-art design capability, including 3D design software. CONTOUR360º insures that there is complete understanding of the application and every aspect of the design communicated fully before they manufacture your tool.

The lead-time for custom tooling is among the best in the industry, insuring you have the tools you need to satisfy your market demands. 
It only takes about 30 seconds to spec it out!

It’s true, It only takes 30 seconds to spec out your projects quote form. While its not required, it is recommend to attach your napkin drawing to the request for quote.

Here is the link to the form:
Make me a Tool
Contour 360 Yourcut 360 special tooling

What kind of tool do you need?

  • Modified standards
  • Form tools
  • Step tools
  • Porting tools
  • Chamfer tools
  • Keyseat cutters
  • Dovetail cutters
  • Tapered tools
  • Coolant thru tools
  • Custom drills
  • Custom reamers
  • Step reamers
  • Chamber reamers
  • Variable Helix Tools
  • End Mills
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What Kind of Diamond Tool Do I Need: Diamond – PCD or CVD?

7/15/2020

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Telcon What Kind of Diamond Tool Do I Need/ Diamond PCD or CVD
In this Telcon article, we’ll try clarifying and shedding more light on a dilemma confronted by many end users of cutting tools to machine composite materials, when they are required to decide which type of tool to use for their application.

There are mainly two types of diamond cutting tools for composites: PCD tools, where the cutting edge is built from a PCD segment of a specific size and shape and CVD diamond coated tools, where the tool’s edge is completely built in a grinding operation and later coated with CVD diamond.

A quick reminder of differences between the two diamond materials:
PCD (Poly – Crystalline – Diamond) is, unlike single crystalline diamond, produced synthetically by sintering together many (Poly) diamond particles, usually in the size of 2 to 30 microns of a meter, with a metal binder (usually Cobalt) at high temperature and high pressure. The rate is 90-95% diamond particles and the rest is Cobalt.
CVD Diamond – (Chemical Vapor Deposition) is a process of coating Nano diamond particles on a Tungsten carbide substrate applying a layer thickness of 6 to 16 microns of a meter. The tungsten carbide substrate has to contain low cobalt content, such as 6% an d has to go through specific surface treatment. The treatment reduces cobalt content in the outer layer, exposing the diamond edges, in order to create sufficient adhesion between the diamond coating and substrate.
In the table below, summarized is a comparison between the two types:
PCD vs CVD comparison applications
Trying to make this comparison practical, let’s discuss different applications in regard to these two diamond tools in Milling, Drilling and Countersinking.

Milling

PVD vs CVD End mill
​Milling operations involve interrupted cutting of the material, where each end mill tooth is engaged with the material and exiting it in one tool revolution. Each time the cutting edge enters the material, the “hammering” effect damages the cutting edge of the tool.

Looking at the table above, Telcon PCD tools are more likely to withstand the “hammering” effect in milling.
  • In CVD diamond coated tools, the CVD coating eventually delaminates and only the tungsten carbide substrate is left.
  • In the PCD, even if some fracture occurs, the diamond is solid and therefore keeps the same characteristics.

There is a concern, though, about geometry limitations with the PCD. For instance, when a particularly long flute length is required, or when specific tool geometry is required, e.g. porcupine router, the CVD diamond tool has an advantage.

Drilling

CVD vs PCD Drilling comparison
In drilling operations, the cutting edge has constant contact with the material, unlike milling, therefore the cutting edge is less likely to chip or fracture. Taking that into account, with a combination of hardness and sharpness, CVD diamond drills perform better in regard to minimizing the delamination at the hole exit.

This is a major concern in the drilling of composites in highly engineered parts, such as Aerospace. When delamination is the failure criteria, there is no doubt that CVD drills outperform PCD drills. However, when hole diameter is the failure criteria, then the PCD drill will “survive” longer than CVD drills.  The reason for this is due to the fact that the CVD diamond is a coating. When it eventually delaminates from the tungsten carbide, edge wear accelerates rapidly.

​The PCD, on the other hand, as said, is a solid diamond. Wear development rate is almost constant. Another example where PCD may have an advantage is the drilling of stack material like CFRP/Al, where the exit hole is in the Aluminum. Delamination is a non-issue in this case, therefore PCD would be first choice, since it will hold longer and can also be reconditioned a few times.
​
Another advantage of the CVD diamond drill would be design flexibility, while comparing to standard wafer drill, where PCD segment dictates geometry. On a Fullnib PCD drill, however, there is no geometry limitation and design flexibility is the same as in the CVD diamond drill as long as PCD nib height (which is limited) does not create other limitations.

Countersinks

While countersinking is considered a manual operation, the countersink body is made from steel, mainly due to the thread connection. Steel cannot be coated with CVD diamond; therefore, most countersinks in the market for composites are PCD. PCD segments are brazed to the steel body of the countersink. Full carbide countersinks which can be coated are rarely seen, due to the fact that grinding the thread on the tungsten carbide body is a complex task.

Summary

The main purpose of this Telcon article is helping end users focusing on their goals in a given application. Knowing and understanding your goals, will assist in clarifying tool requirements and choosing the right tool to the application. As it was explained in the article, both PCD and CVD cutting tools have their pros and cons.

None of them can fully replace the other. We were not discussing in this article other factors like tool cost, reconditioning, tool diameter limitations and more. Some of these factors will certainly influence our decisions and will be discussed in the following articles.
​
Telcon offers both solutions of PCD and CVD diamond Drills, End Mills, Routers and countersinks for all your composites applications.
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It’s official: the cornonavirus is transported by particulate matter (PM)

6/2/2020

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A possible early “indicator” of future relapses of the Covid-19 epidemic. A study carried out by Sima researchers at the Universities of Bari, Bologna and Trieste and the University of Naples “Federico II”.
Losma HEPA Filter Covid 19 Coronvirus filtration
Just over a month after the publication of a Position Paper on “Evaluating the potential relationship between particulate pollution and the spread of the Covid-19 epidemic”, the Italian Society of Environmental Medicine (Sima) has announced that the SARS-Cov-2 coronavirus has been found on particulate (pm).
​
Professor Alessandro Miani, president of Sima, reveals how “This initial evidence opens up the possibility to testing over the next few months, as an indicator for the early detection of the reappearance of the coronavirus, so that suitable preventive measures can be adopted before the start of a new epidemic.

“The first part of this study was explicitly focused on searching for the presence of SARS-CoV-2 RNA on particulate matter (PM). The earliest findings regarding the presence of the coronavirus on particulate matter have emerged from tests carried out on 34 PM10 samples in the environmental area of industrial sites located in the Bergamo province, collected using two different air samplers over a continuous 3 week period, from 21st February to 13th March”, explains Leonardo Setti, joint coordinator of the scientific research group, together with Gianluigi De Gennaro and Miani.

“Samples were analysed by the University of Trieste in collaboration with the laboratories of the Giuliano Isontino hospital, verifying the presence of the virus on at least 8 out of the 22 days examined. Positive results were confirmed on 12 different samples for all three molecular markers: the E gene, N gene and RdRP gene, the latter being highly specific for the presence of SARS-CoC-2 viral RNA. We can confirm to have reasonably demonstrated the presence of SARS-CoV-2 viral RNA on particulate matter (PM), with the detection of highly specific genes, used as molecular markers of the virus, in two parallel genetic analyses”, Setti specifies.

According to De Gennaro, “these are the earliest findings as to how SARS-CoV-2 RNA may be present on particulate matter in environmental air, suggesting that in conditions of atmospheric stability and high PM concentrations, infected micro-droplets containing the SARS-Cov-2 coronavirus can stabilise on particles, creating clusters with particulate matter, thus increasing the persistence of the virus in the atmosphere, as already hypothesized on the basis of recent international studies. The identification of the virus on dust particles may also be a good marker for
verifying its spread in indoor environments, such as at manufacturing companies.

The extensive experience and know-how of LOSMA enables the company to provide turnkey solutions for work environments, covering various industrial processes, to minimise the presence of particulate matter in the environment, with the use of H HEPA filters certified in accordance with the ISO16890 and ISO29463 standards,
filtering particles as small as 0.3 microns with 99% efficiency in dry and humid phases. This secures a salubrious work environment, limiting the insurgence of respiratory tract infections and, during the current healthcare emergency, limiting the spread of SARS-CoV-2 in environmental air.


Thanks to its range of stand-alone or centralised filtration systems, LOSMA is able to cover all industrial processes for dry particulate matter or oily mists, in virtue of its functional and constructive flexibility.

ARGOS PRO, PASCAL, ATLAS, DARWIN, GALILEO PLUS & EXTRA, ICARUS are all mist collectors of this range.
WORKING CLEAN, BREATHING HEALTHY – www.losma.it
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How do you hold additive parts for post-machining?

5/13/2020

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Blue Photon workholding products are designed to hold complexed-shaped, additive parts for tight-tolerance machining, and final finishing while creating better parts, and lowering manufacturing costs. To learn why we are the world’s solution to holding additive parts, check out the video below:
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Crystallume Diamond Helps Improve Product Performance

4/16/2020

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Founded in 1984, Crystallume pioneered the development and application of Chemical Vapor Deposition (CVD) diamond technology. Since then, Crystallume’s coating experts have become specialists at solving customer problems with diamond technology.

Diamond technology isn’t new. In the late 1950s, Russian scientists first suggested the idea that diamond could be synthesized by CVD techniques under low pressure. Product designers were interested but, initially, it was viewed as an exotic and expensive solution.

​Today, with advancements in technology, customers consider CVD diamond to be a viable and important solution for many cutting tool and hard coating applications. In defense, manufacturing, medicine, computing, and many other areas – from components to systems – diamond helps improve product performance.
Crystallume DCC Coating Tool Life Drill chart
CVD diamond has all the extreme chemical and physical properties of natural diamond and high-pressure, high temperature (HPHT) synthetic diamond. CVD diamond is essentially pure diamond formed as interconnected diamond microcrystallites with no binder – grown directly on the tool substrate.
​
With the intense interest of product designers, diamond may become as common as aluminum is today. Its popularity has grown because diamond properties are found at the extreme poles on material scales and therefore offer many benefits.

​Benefits of Diamond

  • Highest degree of hardness of any material – the lowest coefficient of friction.
  • Highest thermal conductivity – the lowest chemical reactivity.
  • Highest tensile and compressive strength – broadest range of optical transmissivity.

Comparison of Crystallume CVD Diamond with Current Alternative Materials
As a manufacturer, you place high demands on the performance of materials. Diamond is the perfect solution and Crystallume’s specialty.

Contact one of our KenDen team and we’ll suggest how to implement diamond into your manufacturing process and improve your product performance today!
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If your K-Tool body is damaged or worn, don’t replace it. Repair it.

3/18/2020

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K-Tool Broken Damaged Cutting tool
LOCK OUT TAG: Send for Rework
K Tool repaired tools
Repaired!
Is your K-Tool, Inc. tool body damaged or worn? Don’t replace it, repair it. We can repair our standard or special tools to the same specifications and tolerances that were originally used to manufacture the tool. Having your tool repaired by the original tool maker ensures you will get the same quality tool that you had when it was new.

The repair process is simple and easy. Send your damaged K-Tool, to K-Tool Inc. and they will prepare a quote for repairing the tool. After the repair cost is approved,  in most cases, we can have the tool repaired and back to you in 2 – 3 weeks.
​
Call us if you have any questions about having your tool repaired.
Contact us
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Complex Composites Drilling with PCD Drills

3/11/2020

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Composite materials are a major part in the material construction of any modern airplane.

Civil and Defense Drones are constructed from multiple layered thinned skin composites.

This challenges any manufacturing shop dealing with manual drilling of these drones parts.

This video highlights some of the key benefits to the Telcon DrillCon tool in multilayer composites.
MANUAL COMPLEX COMPOSITES DRILLING
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Argos Pro Air Filtration System has Features That Have Never Been See Before on ANY Other Units

1/13/2020

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The new Losma Argos Pro series filters are designed for the filtration of oil mists (emulsion as well as neat oil), vapors and smokes deriving from a variety of machining processes. 
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This filtration unit has purposely been designed for the industrial sector, and its important features lie in its sturdiness, reliability and simplicity in conduction and maintenance.
Losma Argos units are designed for depuration of oil mists, vapours and smokes generated during machining processes. Argos is available in 3 sizes with a flowrate from 3.000 to 15.000 m3/h, with different filtration efficiency combination up to 99,97% with HEPA filters. This unit is designed for big machine tools or centralized manufacturing applications.

Argos filtration process has three phases:
  1. Air enters in a calming chamber, which can be supplied also with a pre-blasting system called “Twist”, which further facilitates the aggregation of the finer particles by means of a forced centrifugal effect.
  2. Subsequently, the air passes through two separate and reusable filtration stages, a PVC drop separator and metallic G2 filter.
  3. The next area consists of a chamber which houses the filter elements, cartridges with folds, with a high filtration surface which withholds the finer impurities.
Argos Pro Air Filtration HEPA Filter Oil Mist Vapor Covid 19
Upon request Argos can be supplied also with an absolute filter H13, which allows a filtration efficiency of 99,97% following the regulation EN 1822. Re-condensed oil mist particles are collected in a large tank, which includes an external visual level and a pump to automatically remove the liquid.

This filtration unit has purposely been conceived for the industrial sector, and its important features lie in its sturdiness, reliability and simplicity in conduction and maintenance. The integrated manometer allows to control the obstruction state of filtering elements; upon request the system can be supplied with the “Led Up” system – a LED stripe indicating the cartridge state with the combination of three colors. Access to the filtration chamber is possible through a hinged door, the horizontal positioning of the cartridges allows quick and easy access and maintenance.

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