How to Find a Plastic Molding in Republic ?
Whether the fabricator’s shop is large or small, the Ironworker is the backbone. The Ironworker isn’t a single machine; it is five machines united into an engineering wonder. It has much more versatility than most people would imagine. The five working sections that are involved in the make-up of this machine are a punch, a section shear, a bar shear, a plate shear, and a coper-notcher.
A number of the cheaper ironworkers are constructed to employ a fulcrum where the ram shakes back and forth, constructing the punch go into the die at a small angle. This normally leads to the eroding of the punch and succumb on the front rims. The higher quality machines integrate a ram which moves in a direct vertical line and employs modifiable gibs and guidebooks to ensure a constant traveling route.
When you look for a End of Arm Tooling (EOAT) that develop a Plastic Molding in Republic, looks for experience and not only pricing.
That gives more life to the tooling, and allows the punch to penetrate the die right in the middle in order to capitalize on the machine’s total tonnage.
When looking for a design house that designs a Plastic Molding in Republic don’t look just in Ohio , other States also have great providers.
Emotional Freedom Technique - A Core Tool in Rapid Enlightenment?
By Rod Vagg
ARM: A Quick Primer
ARM is a tricky beast to describe because it’s more than one thing. In common parlance, we use it to describe a CPU architecture, akin to x86 from Intel and AMD. The ARM name comes from its designer, ARM Holdings, but they don’t actually make the hardware, unlike Intel and AMD. ARM is primarily an intellectual property company which licenses their technology to manufacturers to form a vibrant ecosystem of processor and SoC (System on a Chip) products.
An ecosystem of manufacturers
Companies such as Samsung, Qualcomm, Broadcom and even AMD (traditionally known for their x86 products) license core CPU designs from ARM, largely made up of the “Cortex” range. A number of CPU design licensees release Cortex-based processors under their own branding, which is where you see familiar names such as the Qualcomm Snapdragon, the Samsung Exynos or Nvidia Tegra.
In addition, ARM offers an architectural license that gives licensees permission to design their own CPUs that fully comply with the ARM architecture to ensure instruction set architecture (ISA) compatibility. Companies such as Applied Micro and Cavium currently hold architectural licenses and are producing their own processor designs. Apple uses an architectural license to produce its Ax series of processors, including the A7 and A8 which power the current iPhone and iPad range.
The ARM architecture
Due to the compact nature of the ARM architecture, it has traditionally been used for small devices. ARM processor designs tend to focus on efficiency as their current primary uses are in devices where power draw is a major concern. Most smartphones and tablets in the market today are based around ARM processors and they are even showing up in laptops, with many of the current Chromebook range using ARM processors.
ARM’s architecture designs are broken up in to generational versions. The most common ARM architecture generation used in smartphones, tablets and other small computers today is ARMv7. For instance, the newest incarnation of the Raspberry Pi uses an ARMv7 processor, while the original Pi used an ARMv6 processor, the previous generation.
There’s a new generation that’s starting to roll out, ARMv8 and this represents a major shift in architecture design and also a shift in the commercial potential that ARM Holdings sees for its processors.The HiKey development board from 96Boards using an HiSilicon Kirin 6220 eight-core ARMv8 Cortex-A53 CPU
Until now, ARM’s range of processors and architecture designs have been 32-bit, meaning they have limitations in their ability to scale to uses beyond small devices. But even our smartphones are starting to push up against the barriers that 32-bit processors present, most notably the limitations to the amount of RAM you can couple with the processor. ARMv8 is a new 64-bit design that alleviates the barriers presented by 32-bits. The ARM family of processors already reaches deep into the low-power and small-size end of the market (as demonstrated b the Cortex-M0+ pictured above), but with ARMv8, there is a new target: the server market.
ARM on the Server
The phenomenal success of the Raspberry Pi saw the dawn of a whole new class of computers gaining wide acceptance: “single-board computers”. There is now a huge range of products in this market, all vying for the attention of hobbyists and commercial users alike. Even Intel is in on the game with their low-power x86 incarnation, the Atom. The low cost and surprising versatility of these small computers have lead to some interesting new uses. DataStax likes to show off their 32-node Rasperry Pi Cassandra Cluster as a way to demonstrate the versatility of Cassandra but even more, it shows the potential uses that low-cost single-board computers can be put to. Online Labs have rolled out a new IaaS (Infrastructure as a Service) product named Scaleway based completely around ARMv7 servers and are finding strong interest from customers wanting smaller and simpler cloud infrastructure.The DataStax demonstration 32-node Rasperry Pi Cassandra Cluster
miniNodes, another IaaS company, has jumped straight to ARMv8 in its offering by using early development ARMv8 boards. The University of Utah, in its contribution to the scientific computing cloud research project CloudLab, are rolling out a cluster of 315 HP Moonshot m400 cartridges, with which HP are claiming the title of “The World’s First Enterprise-ready 64-bit ARM Server”.
Also getting in on the ARMv8 hardware action is Gigabyte, Lenovo, Hyve Solutions, SoftIron, StackVelocity and E4 who specifically target HPC applications. As 2015 rolls on, expect a flourish of new hardware to appear, pushing us to rethink some traditional approaches.The HP Moonshot m400 ARMv8 cartridge
The new ARMv8 processors are intended to further bridge the gap between traditional ARM uses and the new forms of server computers that there is an obvious demand for. Their low-power profile will mean that their natural target will still be smaller servers but we will likely see many cluster-style products come on to the market where many ARMv8 boards are combined into a unified cluster.
The Software Stack
Just as we are seeing shifts in the hardware market, with new demand for clusters of smaller servers rather than simply continuing to push at Moore’s Law to make servers ever-bigger, we are also seeing shifts in the traditional trajectory of the software stack. Monolithic applications are now viewed as both business and technical risks. SOA (Service Oriented Architecture) is the new best-practice with experimentation all the way down to micro-services. We’re in the midst of a great ‘unbundling’ in the software world.
There is an interesting intersection between the changes in the hardware market and the changes in best-practice software development. Smaller, more nimble software is perfectly suited to smaller, more nimble and low-power hardware. What’s more, Node’s development model encourages developers to think multi-process from the beginning because we know that without the crutch of threads, the only way we can scale our applications is to multiply the number of processes (have you ever noticed how you rarely hear Node developers talk about “sticky-sessions” while Java developers obsess about them?). This means that Node applications scale as easily across clusters of servers as they do within a single server. Not only does the Node development model buy you free scalability, it also buys you resilience by fitting better on larger numbers of smaller servers instead of smaller numbers of larger servers as you typically see in the JVM world (although, the typical Node application performance profile means that you need significantly less total hardware investment as well).
One of the common patterns that NodeSource encounters across the enterprise as companies start waking up to the potential that Node offers them is that they need to start rethinking their hardware needs. Typically, large companies will have a homogeneous production environment, with one or two types of server available for deploying applications. Commonly these are tuned to the needs of the JVM and other monolithic application stacks so there is a priority placed the on speed and size of each hardware unit. An average server might have 16 cores and 32G of RAM and be a perfect match for a JVM application that makes liberal use of threads and is a natural memory hog. Unfortunately, this doesn’t translate very well to Node, particularly on the memory side. So we see a lot of wasted hardware in these environments with architects exploring new ways to make use of all of the free RAM they now have available. This is not ideal from a cost perspective but understandable where Node is only at the beginning of its journey into these environments.
Node and ARM: A Perfect Match
As argued above, Node is a great fit for the changes occurring in the hardware stack:
- Node isn’t a resource hog, it’s at home in smaller environments with its low memory profile and single-threaded nature.
- Node is nimble; for example, we advise our clients to kill & quickly restart when their applications enter an unexpected-error state. You can’t do this with a runtime that takes minutes to properly start and warm-up.
- Node’s development model and culture is naturally SOA; if you’re building a large application and it’s not made up of small services then you’re doing Node wrong. Node applications are generally scalable by default.
io.js, the community fork of Node.js, released its 1.0 earlier this year. ARM has been second-class for Node.js until now so we encouraged a new focus on ARM as a first-class platform target for the io.js project. ARM hardware has been a fixture in the io.js CI system from the beginning and the project has been shipping ARM binaries since 1.0. Today you can download both ARMv6 and ARMv7 optimized binaries for io.js releases and nightlies right from the downloads directory. Through this focus, io.js has even been able to feed patches back in V8 to fix and improve support for ARM.
Because io.js is using current V8 releases and we have made it clear that ARM as a platform with primary support, ARM Holdings has taken an interest in the project. It’s clear that they see similar synergies to us between Node and ARM hardware, particularly with their new focus on server use of their architecture. ARM has stated publicly that their goal is to carve out 20% of the server market with its new architecture within five years, up from less than 1% today.ARMv6 and ARMv7 boards serving in the current io.js ARM test and build cluster
We have been working with ARM to get access to test hardware for the io.js CI system to bring the codebase up to scratch on the new ARMv8 architecture. The not-for-profit Linaro organization was set up by ARM and its partners to work on bringing better ARMv7 and ARMv8 support to open source software. The organization maintains a server cluster which the io.js project currently has access to for ARMv8 test hardware and has used this resource to understand and solve the technical hurdles involved. io.js is now shipping experimental 64-bit ARMv8 binaries in its nightly distribution channel. By the time single-board ARMv8 computers are available on the general market there will also be release builds of io.js available for use. Keep an eye on 96Boards, a project by Linaro, if you are interested in affordable ARMv8 hardware.
Of course, any embrace of the combination of smaller servers and Node for the enterprise is likely to be part of a longer, multi-year strategy. As of right now, Node adoption is still in the early stages at most companies that are choosing to embrace it. Their immediate concerns are more about the basic architecture questions relating to unbundling monolithic structures. As new SOA models emerge, questions about the optimization of hardware platforms will arise and it’s likely that ARM will be in serious consideration.
Aside from enterprise concerns, it’s clear that ARM at least has a future in new-style, low-cost cloud platforms that may be very attractive to start-ups and those of us who are looking for cheap hosting for our side-projects.
Node is still young, and adapting to a changing hardware landscape should be easy. Through io.js, Node’s future on ARM hardware is looking very positive. NodeSource will be keenly watching how the community and companies, both small and large, react to the new possibilities as they emerge.
Obviously enough, one of the first things many people want to know when getting started with scrolling as a hobby is what saw to buy. Whether you are looking to purchase your first scroll saw, or you are looking to upgrade to a better one, there are many things to consider. In this article I will attempt to touch on all aspects so that you are able to make an informed decision. I will also make some recommendations based on personal experience and what I feel is the general consensus of the scroll sawyers I have discussed the matter with.
Blade Changing and Blade Holders: The saw should accept standard 5" pinless blades. A lot of scrollwork simply cannot be done with a saw that requires pinned blades. While pinned blades have some advantages, they have one very big disadvantage: You can't cut any small inside detail cuts since you have to drill a very big hole to get the blade's pin through.
Also, how easy is it to change a blade? Is a tool required for this? Some scroll saw projects have hundreds of holes. This means you have to remove one end of the blade from the holder and thread it through the wood and re-mount it in the holder more times than you can count. Be sure the process is comfortable and relatively easy to do. A saw in which the arm can be raised and which holds itself in this position is most desirable as it makes this process much easier as do tool-less blade holders.
Variable speed: A great many saws offer variable speed and you should not have a problem finding this feature in any price range. Sometimes you will want to slow the blade down just to cut slower, other times you must slow it down to prevent the blade from burning the edges of the wood as you cut. Some scroll saws require belt changing to change speeds. Personally, I would highly recommend a saw an electronic speed control.
Vibration: Vibration is very distracting when cutting and must be kept to a bare minimum. Some saws inherently vibrate more by design. This feature tends to be very much dependent on the cost of the particular saw. Vibration can be reduced by mounting the saw to a stand. A sturdily mounted saw and heavier saw/stand combination will reduce vibration. Many companies offer stands purpose built for their saws.
Size Specifications: Manufacturers often list the maximum cutting thickness of their saws. Since this is always more than 2", you can ignore this as you likely will never want to cut anything thicker than that on a scroll saw.
The depth of the throat however is something you may want to consider if you think you will be cutting very large projects. A small throat will limit how big of a piece you can swing around on the table while you cut. For many this is not a very big deal since it is somewhat difficult and unpleasant to swing around a big piece of wood on a scroll saw. This limit can also be circumvented by the use of spiral blades which don't require the work to be rotated at all.
A most notable difference between the Excalibur and other saws is that the head of the saw tilts rather than the table. This is a nice advantage if you intend to do a lot of angled cutting. The one feature that I personally am leery about is that you only have a quick release for the tension at the front of the saw's upper arm and the fine adjustment is at the back of the arm. This is a relatively recent change to the saw however I have not seen any negative feedback about this setup. Theoretically, once you have set the fine adjustment, you don't have to adjust it very often and you just need the quick release when undoing/redoing the blade to feed it through your project.
These saws are manufactured by General International, which has a reputation for quality.
Other notable mentions RBI and Eclipse both offer high end saws with great performance and low vibration. You may want to check these saws out if you can afford them. Since they are out of most people's price range, I have not heard a whole lot of feedback on them. In my opinion, many of these models do however have inconveniently located controls and/or require tools for blade changes which do give me cause for concern.
Hegner offers four different models starting at about $700 and going all the way to $2400. The lowest end model "Multimax 14-E" is only single speed which I would definitely stay away from. In my opinion there are several better choices for a comparable or cheaper price. The $2400 industrial "Polymax" model requires belt changing to change the speed which is an inconvenience. Because of this issue and the high price tag, I would only consider this model for a truly industrial purpose. This leaves us with the Mutimax 18-V and 22-V models to consider.
All Hegner saws require tools for blade changes. This fact, in addition to what I would personally consider an inconvenient control layout would make me think twice about a Hegner. That being said, most people who own Hegners are very happy with the quality and usability of their saws. Since I have not personally used one, I will leave this matter for your further consideration if you can afford a saw in this price range.
I hope this article has provided you with enough information to allow you to make the best possible investment of your money so that you can start with or upgrade to a scroll saw that will provide you years of scrolling pleasure.
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