StudentShare solutions
Triangle menu

Power hand drill - Essay Example

Not dowloaded yet

Extract of sample
Power hand drill

The grouping or classification of hand drills depends mainly by the maximum size of drill bit shaft that the drill chuck can hold. A power drill comprises mainly of two sub-systems, which are mechanical and electrical. The two sub-systems play specific, different, and important roles in the working of the electrical hand drill. The first subsystem, which is the mechanical, has components, which transfer, translate, and apply forces in the hand drill. The electrical subsystem mainly deals with power. It has components that supply and control power flow in the hand drill. In this paper, we look on how to design an efficient and functioning hand drill. We will have a list of each mechanical component, the materials of the parts and the mechanical properties of this material. After designing the hand drill, we try to look on how to improve it to work more efficiently. Specifications of the hand drill 1. The input power is 800w 2. Its speed is 0-800rpm 3. Has a chuck capacity of 10mm 4. Drill capacity (a) Steel: 13mm (b) Wood: 25mm Mechanical components of the hand drill. Frame Shigley, (2008 Pg. 23) This is the outer part of the hand drill and it covers the inner mechanical and electrical components. One can also refer it to the housing. This component comprises of hard plastic. The mechanical property behind the idea of using the plastic is that it is a poor conductor of heat and electricity. Since the hand drill produces heat as it is in use, the frame does not get to harm or burn the user since its conductivity to heat is very low. Plastic also makes it safe for the user to use, as the risk of electric shock is minimal. This part is to be high smooth hence polishing is very important as it should be comfortable for the user to hand while using it. Plastic also makes the machine to be less heavy and the user can comfortably carry it without straining and in case of any accidents, the user is less likely to be less hurt by the frame as it is of plastic in nature. Two gears assembly Shigley, (2008 Pg. 23) There is transmission between the chuck and the motor. This transmission consists of pears of gears. We use gears from alloy steel elements for example stainless steel. Gears require materials of have a high resistance to corrosion. Steel gears offer high strength and has a wide range of heat treatment properties. Steel gears are also very durable and they provide the highest strength. Austenitic stainless steel is non-magnetic and has good corrosion resistance. These are the mechanical properties of this material. They can also be martensitic stainless steel that is easy to harden with heat, has magnetic properties, and have reasonable resistance to corrosion. This stainless steel (martensitic) is more appropriate to use as there is a high power ratings and it will therefore make the machine more effective Chuck Shigley, (2008 Pg. 23) It comprises the outer and front section of the hand drill. It has jaws, which holds the drill bits in position. We use a chuck that has three-jaw attachment that applies radial gripping to certain number of drill bits and accessory shafts. Chucks from stainless steel are the most appropriate. They provide high resistance to corrosion, as they are mainly hard. This mechanical property makes it more suitable as it is always in contact with the drill bits, which are always in constant motion and act on materials of different hardness. Stainless steel also lasts longer and it is ...Show more

Summary

Design Name Tutor Course College Date Introduction A power hand drill is an electric device, which uses drill bits to enlarge existing holes in a material or create holes in them. These materials rang from wood, plastic to even metal. The hand drill can also grind, buff, and brush wires when with other accessories…
Author : urielstracke
Power hand drill essay example
Read Text Preview
Save Your Time for More Important Things
Let us write or edit the essay on your topic
"Power hand drill"
with a personal 20% discount.
Grab the best paper

Related Essays

Reasons to Drill Off Shore
The worldwide trade growth rate also dropped heavily from 12% in 1973 to -5.4% in 1974 and -7.3 in 1975. Foreign Direct Investment (FDI) has dropped from 40% in 1973 to half of it in 1974 (Oil prices and global economy, 2006, p.4) Oil prices and global economy have direct relationships.
6 pages (1500 words) Essay
Hand Decontamination
The Epic Project: Updating The Evidence-Base For National Evidence-Based Guidelines For Preventing Healthcare-Associated Infections In NHS Hospitals In England: A Report With Recommendations. British Journal of Infection Control, 15(6), Dec., pp.10-16. Practices Advisory Committee and the HICPAC/SHEA/APIC/IDSA Hand Hygiene Task Force Centers for Disease Control and Prevention (CDC), (2002).
8 pages (2000 words) Essay
Hand Hygience
These factors have redefined medical practices to fit into the changing health delivery system. Thus, Nursing Profession is 'accountable' to the society. i.e. obliged to the laws regulating the professional activity. This 'accountability' is usually spelt out in "Patient Care Documents" established by hospital associations and medical associations or councils of every country [9].
14 pages (3500 words) Essay
Mathematics.Games for drill and practice
The NCTM standards are more specific and detailed models of teaching procedures. The NCTM standards describe specific ways base ten blocks and other manipulative can be used to help students understand the certain concepts within the standards.
4 pages (1000 words) Essay
Forcasting Stratigy for Power Tool Industry
The world power tool market is estimated at $ 20 billion and that of the US market is estimated at $ 15 billion. With this background this paper proposes a strategic forecast for Able Corporation Inc for its power tool production and marketing. For the year 2006 the sales performance of Black & Decker was disappointing due to slow down of the US Economy.
3 pages (750 words) Essay
Power of Multinational
l business enterprises exercise political power by influencing the domestic and foreign policy of nations, that of America and other nations over which it exercises its role as a global superpower. One of the main reasons why Halliburton was chosen for this paper is the fact
12 pages (3000 words) Essay
Volly 2
Touch ten drill is one of the most common drill given to the defenders of a volleyball team by their coach. This drill teaches aggressiveness on defence. Normally all the players except the
2 pages (500 words) Essay
Drill
When an ANOVA yields a statistic value of 1, it means that the variance of the true scores is equal to the variance of error in measurement. While a two sample t-test attempts to verify if the difference seen in the means of two groups is significant,
1 pages (250 words) Essay
Hand hygiene
o the reason that it presents the most common way through which pathogens are transmitted from a host person to another person especially within the health care settings. Proper hand hygiene therefore presents the most important feature while preventing the spread of antibiotic
7 pages (1750 words) Essay
Get a custom paper written
by a pro under your requirements!
Win a special DISCOUNT!
Put in your e-mail and click the button with your lucky finger
Your email
YOUR PRIZE:
Apply my DISCOUNT
Comments (0)
Rate this paper:
Thank you! Your comment has been sent and will be posted after moderation