NUMBER AND LETTER PUNCHES FOR METAL WORK

HIGH QUALITY, LOW COST NUMBER AND LETTER PUNCHES Robinson International Pty Ltd supply professional quality number and letter punches. • Made from S55C carbon steel correctly hardened and tempered to hardness HRC 58-62. • Most are available with “tail end tempering”. • Softer hit end means no chance of flying steel chips • All punches are abrasive blast finish which ensures rust resistance. • Packed in strong polypropylene boxes marked with size. • These punches will keep on marking hit after hit! The triangular support design of the marking face of these punches, coupled with expert production eliminates the possibility of the image cutting edge crushing or chipping when cutting hardened metals The “R” photo demonstrates proper support for the cutting edge PUNCH SHOWING SUPPORT OF CUTTING EDGE Available in: STANDARD LETTER AND NUMBER SETS NUMBER PUNCHES REVERSED LETTER AND NUMBER SETS come in 2.5mm, 3mm, 5mm, 6mm & 8mm sizes for applications where reversed markings are required. DOTTED LOW STRESS PUNCHES for use whenever reduced stress markings are required due to metal strength and fracture risk. Sizes: Letter sets 3mm and 6mm Number sets 3mm, 4mm 5mm, 6mm and 8mm DOTTED LOW STRESS NUMBER PUNCH TYPE HOLDER SETS These can be used for marking metal and also date coding paper products for the packaging industry. The set includes the type holder, a hexagonal wrench, 52 letters, (including 2 each A-Z), and 37 Sizes available are 3mm, 5mm and 6mm. Contact www.robinsoninternational.com.au

GAUGES

Various types of gauges are used for accurate measuring and testing. CENTERING GAUGES are specially designed indicators for internal and external centering of jobs on machine tools. • Can be used with machine spindle turning to allow speedy set up. • Can be used vertically or horizontally • Available with metric or inch reading

   
CENTERING GAUGE SET

CENTRE GAUGES Available in Whitworth, UN or metric measurements. Centre gauges are used in machining to check angles of tool bits used to cut screw threads.
 

CENTRE GAUGE

RADIUS GAUGES come in various styles and are used to measure the radius of inner and outer surfaces of an object. • Both external and internal radius on each leaf. Inch radius sizes 1/32-17/64 and 9/32-33/64 Metric radius sizes 0.75mm-5mm and 5.5mm -13mm • Separate leaves for external and internal radii. Sizes: 1mm-7mm; 7.5mm-15mm;15.5mm-25mm • Separate gauges for each radius. Five measuring positions on each gauge. Come in both metric and inch radii.
 
RADIUS GAUGE

SCREW PITCH GAUGES Used to measure the pitch of a thread on a screw or tapped hole. Come in Imperial, UNF/UNC & Metric Combination gauges in Whitworth/Metric and AF/Metric BA and ACME both inch and metric.
 
SCREW PITCH GAUGE

 SCREW CUTTING GAUGES Used for checking tool angles when cutting threads. • Comes in Whitworth, Metric, UN, BA and Acme threads • Made from stainless steel • Satin finish

SCREW CUTTTING GAUGE
SMALL HOLE GAUGE 4pce set 1/8"-1/2" capacity These are used to measure the diameter of a bore by inserting the gauge into the bore and adjusting till light pressure felt. The gauge is then measured with a caliper or micrometer.

SMALL HOLE GAUGE

MORSE TAPER GAUGES Plug & Ring Gauges MT2, MT3, MT4, MT5


MORSE TAPER GAUGES

SURFACE ROUGHNESS GAUGES • The surface roughness gauge set is a reliable and easy way for checking, identifying and specifying the degree of roughness of machined parts. • The set contains thirty steel specimens of six machining methods: flat-lapping, reaming, grinding, horizontal milling, vertical milling and turning. • Each specimen measures 7/8" length x 3/8" width and are calibrated in micro inch and micro meters. • A chart giving metric and imperial equivalents for each surface roughness measurement is included in the set.
 
 SURFACE ROUGHNESS GAUGES

SURFACE GAUGES • Fine ground steel base • Fine adjustment screws • Available 4"/7" and 9"/12" Used to measure the height of objects in metalwork. The pointer acts as a scriber for marking out work pieces.

 
SURFACE GAUGES

MICROMETER CHECK SET The components that the set can check are length, flatness and parallelism of measuring faces. With the addition of optical flats the ¼ turn parallelism can also be checked. • The 6425S MICROMETER CHECK SET can check the accuracy of micrometers from 0-25mm capacity up to 200mm capacity. • It can also be used for checking vernier calipers to the same capacity. • The set is based on the requirements of ISO3611-2010 (AS2102 amended) with the inclusion of 50, 75 and 100 mm gauges to allow larger capacity. All sets are packed in secure, attractive protective cases.
 
 MICROMETER CHECK SET

GO/NOGO SCREW THREAD PLUG AND RING GAUGES Used for checking, calibrating or setting of gauges. SCREW THREAD GAUGES • PLUG GAUGES from 1.6m to 355mm • RING GAUGES from 2.00mm to 285mm Available are gauges made to any tolerance grade in almost every thread type from any country or standard. ALL GAUGES ARE SUPPLIED WITH TRACEABLE CERTIFICATES ACCEPTED UNDER ILAC AND MRA AGREEMENTS • Gauge members are correctly heat treated and stabilised and have uniformly distributed carbides in a matrix of tempered martensite. • Gauge members are size selected to maximum metal condition as this gives longer wear life. • These features are only available from a maker with the highest precision measuring and calibration equipment and with independently assessed very small uncertainty of measurement. PLAIN PLUG GAUGES These are available in steel or with tungsten carbide Go member in sizes starting from 0.5mm upwards.

GO/NO GO SCREW THREAD GAUGES

AEROCUT BROACH ARTICLE

Broaching is a machining process that uses a toothed tool, a broach, to remove material. AEROCUT KEYWAY broaches quickly, easily and economically produce keyways in any sort of job. An important feature of AEROCUT broaches is they are TiN coated at no extra cost. Titanium Nitride (TiN) is applied as a thin coating to harden and protect cutting surfaces. AEROCUT push-type KEYWAY broaches come in imperial and metric sizes and are supplied complete with shims. Imperial (inch) sizes range from 1/16” up to 1” Metric sizes range from 2mm up to 25mm AEROCUT BROACH AND SHIMS Collared or plain bushes are available for all bore sizes. SQUARE BROACHES Imperial (inch) sizes range from 1/8” to 1” Metric sizes range from 4mm to 25mm HEXAGONAL BROACHES Imperial (inch) sizes from 1/8” to 1” Metric sizes from 4mm to 25mm KEYWAY BROACH SETS contain the most common keyway metric or imperial (inch) broaches and a range of bushes packed in varnished wooden boxes. BROACH SET

When do I need coaching and why?

A student when they feel as though they are falling behind or even a student that wants to be accelerated, should think about getting tutoring. At Master coaching it is vital and highly valued that students establish a safe, happy and nurturing environment in which they find they can learn as well as share their knowledge. This sharing formulates as an educational experience in itself as students who struggle to gain ideas, will struggle no more. As information and ideas will be a plenty in a comprehensive style of sharing information.

The inclusive and nourishing environment means that students flourish according to achievement. This achievement of students will benefit from those pupils in which decide to start or engage with tuition early on. This choice would ensure that the student gets the best help needed to further their own education and ultimately achieve their desired ATAR.

Thus private one on one tuition found at Master Coaching means that students will be able gain the help they need. This help is personalised for each student and is such that it is targeted specifically at each individual student, no matter the subject or content. Master Coaching always endeavours to target students weaknesses while also extending those students in which need challenging.

Master Coaching further inherently develops a classroom in which creates an educational platform for learning. This involves students leaving each lesson feeling as though they are empowered and more knowledgeable as each subsequent lesson progresses. Further this knowledgeable learning will not only bring a student up to speed upon the subject in which they are studying but it will also allow for students to be advanced . This concept of acceleration involves students working hard to gain the reward of greater knowledge.

Master Coaching facilities this learning as they ensure the focus is placed on the student through a one on one private session, as to improve both the students knowledge as well as broad ability. This session includes specifically developed material which is beneficial in exposing students to all different learning educational styles. Thus, the ability to challenge students in a safe environment means that they will be able to participate more effectively at school. This effective education means that students gain confidence to participate more in learning.

Therefore, it is extremely important to consider the right time of when coaching is needed and the considerable benefit that stems from early tutoring help.

How to become an effective writer?

During the HSC one thing is common across all papers and subsequent subjects. That common element is writing. Writing in general is the ability for a student to convey ideas or constructs of what they have learnt about in class. Depending on the subject obviously this concept of writing can take a literal or creative path, as both formulate in the same premise as to engage the responder upon the topic the student is discussing. Consequently, Master Coaching takes great care in preparing a student to develop the best pieces of writing they can.

Thus, it is essential for students to become proficient and skilful writers across a multitude of mediums. Though it is not as easy to develop these skills as writing constantly and aimlessly on topics students don’t understand. Rather it is about students becoming effective comprehensive and well-informed writers. Writers in which can not only translate their opinion onto paper but also further engage the audience. This engagement takes place through constructive guidance upon which students can again from Master Coaching. Students who attend lessons at Master Coaching will find that their writing will benefit from a more direct and analytical approach to writing essays.
This approach will be taught across a couple of weeks in a sequential and authentic process of learning. For students to achieve their maximum potential and further develop their writing skills, Master Coaching sets specific tasks to engage as well as further learning. These tasks both set in place the essential structure needed for higher band writing but also allow for an exam like atmosphere to be established during the session. At Master Coaching it is providing an environment for students with which they can excel in and achieve their maximum potential.

Rather then run students through a rigid course Master Coaching engages students to target their problem areas as well as emphasise essential learning. This essential learning forms its basis upon teaching and showing students how to run through paragraphs and essays as to improve their own skills. This essential progress furthers student’s ability to extend their vocabulary as well as structure. Structure in an essay sense forms the mandatory writing sequences in which once again Master Coaching emphasise as well as reinforce the structures.

Overall, Master Coaching allows for students to further gain confidence and proficiency in their writing. This proficiency takes place through a student’s ability to have fluid ideas in which run throughout their piece of writing as well as the inclusion of a great use of language. This comprehensive use of language encompasses a student’s wide range of exposure to all textual mediums. Thus, through attending lessons at Master Coaching students will find that they benefit greatly from a consideration of the texts explored during the sessions. Thus essay writing is an important skill to attain throughout tutoring and through general school. Students therefore gain an ability and confidence to achieve their best in any essay they need to write across any subject or topic.

HOW TO CHOOSE A SELF-CENTERING LATHE CHUCK

A GOOD QUALITY CHUCK CAN ENSURE THAT ALL LATHES WILL PERFORM BETTER. The main requirements for a lathe chuck is to securely and safely hold the job in the lathe, be accurate and maintain accuracy over a long time. Understanding the difference between ultimate cost and immediate price is an important factor in selecting a lathe chuck. A lathe chuck should be selected according to the quality of the important features of GRIP; ACCURACY and WEAR LIFE. High quality of these feature means that the chuck will outlast a low price but low quality chuck many times over meaning much lower ultimate cost. GRIP The better the grip, the safer is the work environment and the faster the job can be done. Several factors affect the grip:

• For self/centering chucks the percentage engagement between the scroll and the jaw teeth
• There should be a minimum of 3 jaw teeth engaged on the scroll at any position of the jaws.

Figure 1 SMALL DIAMETER CHUCK SHOWING PITCHES OF EXPOSED SCROLL TOOTH

• The smoothness of finish on the scroll tooth and the jaw teeth can affect the transmission of force. Ground finish is usually much smoother and more accurate than machined finish.
• The grip faces of the jaws have to be properly designed and accurately made for the intended application.
• The RPM of the chuck dramatically affects the grip force exerted on the job. The body material also determines the maximum safe RPM the chuck can turn. Choices are cast iron, SG iron and steel. The recommended safe RPM for lathe chucks is governed by Standards din 6386.1 and VDI3106. Note as a chuck wears or is not correctly maintained, the maximum recommended grip and RPM lessen.
• A lathe chuck must be properly balanced or the grip and RPM is adversely affected.
• Examine the end float of the jaws against the scroll tooth.

ACCURACY Consider the accuracy the maker claims. Not all chucks have the same run-out accuracy when being operated. Some makes of chucks offer different accuracies for job run-out. A good quality chuck should have a run-out not exceeding 40 microns (0.001”) at any position on the scroll for sizes up to and including 315mm diameter. For 400mm diameter chucks a run-out of .075 microns is permissible. For 500mm or 600mm diameter chucks run-out of 0.10 microns is permissible. If the claimed run-out accuracy is MORE than these values then it is not a precision chuck. WEAR LIFE & FINISH The finish of a chuck will give a good indication of the quality. Look for “ground” finish on the chuck body and a blemish-free surface. The life of a chuck is determined by the selection of correct materials, accuracy of manufacture and finish of the various components and how these components work together. Lathe chucks should be regularly cleaned and re-lubricated using grease for the scroll and pinion and oil for the scroll and jaws. NEVER use graphite or graphite-based grease to lubricate a precision chuck, scroll and pinions. SUMMARY The following should be checked when selecting a lathe chuck

• The overall finish and how the components work together
• The end float of the jaws
• The exposed Scroll (wind out the jaws) to ensure MINIMUM 3 jaw teeth can be engaged at any one time.
• The percentage engagement between the scroll tooth and jaw teeth

Figure 2 END VIEW OF JAW IN CHUCK BODY SHOWING REAR JAW TOOTH AND START OF SCROLL TOOTH

• For up to 315mm size chuck check if the scroll is hardened and ground.
• Does the maker’s catalogue list the materials used in the various components and the HRC of these components?
• Is the chuck balanced?
• Do the grip faces of the jaw appear to be uniformly made?
• Consider the required RPM in order to select the body material.
• Are spare parts available?
• Does the maker specify accuracy?

      ROBINSON INTERNATIONAL PTY LTD www.robinsoninternational.com.au

Start making money with a party hire business!

If you are interested in making a bit of extra money without having to invest much, then it is highly recommended for you to consider getting started with running a party hire business. Here’s how you can get started with a party rental business that offers services like chair hire, marquee hire etc. Before anything else, carry out a bit of research over party rentals on the internet. While you are at it, write down details of the things that interest you the most, and carry out a bit of price comparison. Now, settle on the things that you wish to purchase. These can be inclusive of food service items, folding chairs, marquees, slushie machines, jumping castles, popcorn machines and a whole lot more. While doing so, make sure that you make the purchases as per the budget that you have set. Yes, you need to sort out how much money you are willing to spend to get things started. Considering that you aren’t interested in making a major investment, just focus on a single item for the moment, Later, you may add things on to your list of party hire items to expand your business. Once all that is covered, decide the rental price you wish to charge. Carrying out a bit of research over the price charged by other party rental companies in your area is highly recommended here. The next thing that you need to do is to come up with a marketing plan. It is best to use email marketing, flyers, business cards and a website for the said purpose and is sure to bring in lots of sales to your business! Remember, setting up a party rental firm is best if you wish to make a good deal of money without having to invest a whole lot. For further details, feel free to get in touch with Walkers Hire now!