(Text updated February 4, ) Ryan Pohl of Praeco Skills developed this test to quickly evaluate students' knowledge of CNC milling and drilling and determine the level of instruction they need. What is your level of knowledge? Scroll down to read the questions and find an answer key or take the quiz interactively here.
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1. What is the maximum rpm you should run a holder if it is unbalanced in a V-tapered spindle?
__ 4,000 rpm
__ 6,000 rpm
__ 8,000 rpm
__ 10,000 rpm
2. Unless it has a special design to ensure Z-Axis accuracy, V-tapered tooling should never be run faster than&#;
__ 6,000 rpm
__ 8,000 rpm
__ 10,000 rpm
__ 12,000 rpm
3. Countless tests have proven which of the following tool tapers to be superior in radial and axial stiffness, z-axis repeatability and performance for high speeds?
__ CAT
__ HSK
__ BT
__ SK
4. You should never use a cutter that has _________________ in a hydraulic holder, a milling chuck or in high speed applications.
__ Weldon flats
__ Hybrid coatings
__ Multiple inserts
__ Through-spindle coolant
5. One of the key limiting factors of a C-frame mill design is&#;
__ Workpiece visibility
__ Top-end rpm
__ Tool-magazine capacity
__ Y-axis rigidity
6. What is the name of the rotational axis that corresponds with the Y-linear axis?
__ A-axis
__ B-axis
__ C-axis
__ W-axis
7. The machine ____________ plays a key role in isolating and absorbing vibrations and shock from the cutting operation on the machine as well as surrounding impacts on the shop floor.
__ Column
__ Frame
__ Ways
__ Foundation
8. If the _________________ is too long on a machine, it may whip in the center, causing machine-component- and part-damaging vibrations.
__ Linear Guide Way
__ Ball Screw
__ Rack and Pinion
__ Box Way
9. Using a ________________ in your CAM program eliminates 90 degree corner moves, saving on tool and machine life, as well as increasing part quality.
__ Radial Lead-in
__ Smoothing-radius
__ Collision check
__ Radial Step-over
10. A material&#;s machinability rating is a(n) _______________ value given to a particular material&#;s ease with which it is machined.
__ Objective
__ Subjective
__ Standardized
__ Letter
11. ________________________ is a measure of the linear-distance that a single point on the outside edge of the cutter is moved around the circumference as the cutter rotates in one minute.
__ Feed rate
__ Cutting Speed
__ RPM
__ Chip load
12. Using (an) _________________ can destroy the effectiveness and efficiency of a cut when machining ferrous alloys with coated-carbide cutters.
__ Flood coolant
__ Air blast
__ Air/Mist blast
__ Chipbreakers
13. When taking a depth of cut that is smaller than the full radius of the cutter, the actual amount of the cutter that is engaged into the workpiece is called the&#;
__ Actual Diameter
__ Actual Engagement
__ Effective Radius
__ Effective Diameter
14. A standard for maximum Length to Diameter (L:D) ratio for normal sized (not micromachining) cutters being held outside the holder, without having to slow rpm and feed, is&#;
__ 2:1
__ 3:1
__ 4:1
__ 5:1
15. _____ is a man-made synthetic cutter that has greater thermal resistance than diamond.
__ CBN
__ CVD
__ PCBD
__ PCD
16. _____________ is the secondary ingredient used in tungsten carbide cutters that acts as a binder, and has a dramatic affect on the overall hardness of the carbide itself.
__ Aluminum
__ Iron-carbide
__ Cobalt
__ Silicon
17. The ________________ of the cutter is responsible for generating the essential aluminum-oxide in a high-speed cut in ferrous materials.
__ Geometry
__ Thickness
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__ Speed
__ Coating
18. To perform high speed machining, all holders and components should be balanced to a rating of _________ for the rpm they will be run.
__ G1.0
__ G1.5
__ G2.0
__ G2.5
19. High speed machining (which might more appropriately be called &#;High-Efficiency Machining&#;) works because the ______________ and ______________ are controlled at the point of cut.
__ Heat, Vibration
__ RPM, Feed rate
__ Loads, Limits
__ Time, Temperature
20. High-speed machining begins at 8,000 rpm and 100 ipm.
__ True
__ False
For the answer key, click here.
- Sunday, April 21,
In the world of packaging, labels can be considered the face of a product. They play a big part in the identification, information, instructions for use, branding, warning, and tracking of products. This makes the labeling process one of the essential steps in packaging operations. But how do you apply a high-quality label to your product? I bet you've guessed it already. Yes, a labeling machine can do the job for you.
If you take a look around the labeling machine market, you will find there is a multitude of options available. So, how do you go about choosing the best labeling machine? We can help! Below are a few useful questions that can guide you to the best label applicator to help make a difference in your business.
During a buyer's consultation, label applicator suppliers might ask you a bunch of questions. Your answers will provide them with effective information about your demands. With this information, the suppliers can recommend the most suitable labeling machine to you. Meanwhile, this helps you to compare these potential suppliers to make a better purchase decision.
#1 What type of products do you want to label?
Why: Labels are typically applied to product packaging, including primary, secondary, and tertiary packaging. They can be attached to various packages for different purposes. Understanding the type of your product allows the supplier to have an idea of the shape, size, and material of your product. Even if you want to label a unique product, this question allows the supplier to determine if they can take the project in the first place. Here are some examples.
Bottles and Jars
Cartons and Boxes
Bags and Pouches
Cans and Tins
Tubes and Squeeze Bottles
Trays and Clamshells
#2 What are the sizes and shapes of your product?
Why: Standard labeling machines may not work for some products with irregular shapes. In addition, labeling machine configurations such as conveyor belts, product carriers, and label applicators can vary depending on the product's specifications. Knowing the shapes and sizes of the product to be labeled helps the supplier find a machine that can handle your product more efficiently.
#3 What is the material of your product packaging?
Why: Product packaging can be made from paperboard, plastic, glass, or metal. Some labels don't work well on certain materials. For example, some adhesive labels might not be able to offer optimal adhesion to your product. So, this question helps the supplier determine which label type is best for you.
#4 What labels do you need for your product?
Why: Based on purposes, labeling methods, or other standards, labels can be classified into many types. Understanding your labeling requirements allows the supplier to recommend the right equipment. Let's take a look at some of the major label types.
TYPES OF LABELS
BY PURPOSE
1. Brand labels
2. Descriptive labels
3. Informative labels
4. Grade labels
BY LABELING METHOD
1. Pressure-sensitive labeling
2. Shrink sleeve labeling
3. Cut-and-stack labeling
4. In-mold labeling
BY APPLICATION METHOD
1. Wrap-around labeling
2. Front & Back labeling
3. Top & Bottom labeling
#5 What is your expected labeling speed and production volume?
Why: Labeling machines are available in semi-automatic and fully automatic operations. So, labeling speeds and production capacities can vary depending on the machines you select. Knowing your production requirements helps the supplier recommend the labeling machine to meet your production targets effectively.
#6 How much room does your facility have for a labeling machine?
Why: Label machines come in tabletop, standalone, or modular designs. Each option requires a space of different sizes. In addition to the room for the machine, there must be sufficient space for operators to move around. Knowing your facility's available space helps the supplier recommend a labeling machine that fits seamlessly into your workspace.
So, now you know the common questions from labeling machine suppliers. It's your turn to ask questions. Here are a couple of frequently asked questions that will help you make a smarter purchasing decision.
#1 What labels can the machine handle?
Why: Labels are available in different materials, sizes, and shapes. Based on your product to be labeled, you need to know if the machine is compatible with your labeling needs. If you're labeling more than one product, ensure that it can effectively label each specific product, no matter the material, size, or shape.
#2 What is the machine's labeling speed?
Why: Even when you choose the same type of labeling machine, such as a tabletop or integrated option, these machines run at different speeds. The labeling speed determines the production volume. Figuring out the machine's speed helps you assess its capability. An overcapacity machine can cause unnecessary costs. Of course, if you have a scale-up plan, choose the machine available for speed upgrade.
#3 What type of products can the machine label?
Why: Asking this question to see if the machine can handle your product. Having a clear understanding of the product types the machine can label helps you assess if it is flexible and versatile enough to fit with your diverse product range. After all, a flexible label applicator is always a go-to option.
#4 What is the labeling method of the machine?
Why: This is another way to identify if the machine matches your labeling needs. Many labeling machines are not all-around players. Some work better on flat packaging, while some are more suitable for curved surfaces. Understanding the labeling method of the machine allows you to determine if it's capable of handling your product precisely and effectively.
#5 Can the machine be integrated into an existing production line?
Why: This question is essential if you intend to invest in an automatic labeling machine. Automatic labelers can be either standalone or integrated with other packaging equipment. If the machine is used to boost the efficiency of your existing packaging line, confirm that it can fit seamlessly into the current workflow.
#6 Do you offer customization for the machine?
Why: All labeling machines package products with labels off the shelf. But what if your product requires unique prints or other labeling requirements? Asking the supplier whether the machine is customizable, such as adding a print and label system, allows you to evaluate if the supplier can provide diverse labeling solutions.
At iPharMachine, we have provided our customers with a wide range of labeling solutions. The following two labeling machines are popular among them. If you've not decided yet, these two models might be the ones you're looking for.
Model
MT-50M
PBTB-160
Applications
Bottles and jars
Bottles and jars
Level of Automation
Semi-automatic
Automatic (integrated solution)
Maximum Labeling speed
25-50 pcs/min
120 pcs/min
Label size
30-280 mm (L) x 20-130 mm (W)
25-200 mm (L) x 25-90 mm (W)
Product size (diameter)
Φ20-120 mm
50-500 ml
Voltage
220V 50HZ/110V 60HZ
AC220V/50HZ
Dimensions (L x W x H)
820x340x545 mm
×× mm
Weight
29 kg
300 kg
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