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Engineers Sketch Book
Engineering Applications and Design
Engineer's Sketch Book
Mechanical Movements
Devices, Appliances, Contrivances and Details
Thomas Walter Barber, M. Inst. C.E.
Forth Edition
Published 1902
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Preface:
Every successful engineer is a born inventor; indeed the daily work of an engineer in practice largely consists in scheming and devising from previous experience new and improved processes, methods, and details for accomplishing them, and for simplifying or cheapening old forms of machinery and the work they produce, to enable him to successfully compete with others, who are perhaps as ingenious and enterprising as himself.
In the work of designing machinery the draughtsman has to rely mainly on his memory for inspiration ; and, for lack of an idea, has frequently to wade through numerous volumes to find a detail or movement to effect a particular purpose. Hence, as a rule, every man's work runs in a groove, his productions generally having the stamp of his particular experience and training clearly marked upon them.
In the course of twenty-five years of such experience, I have found the want of such a volume as the present, and endeavored to supply the deficiency in my own practice by private notes and sketches, gathered promiscuously, until the difficulty of selection and arrangement became so apparent that I began to classify them, as they exist in the following pages. A few weeks of unusual leisure have enabled me to complete this work and amplify it by numerous additions, and it is now presented in the hope that it will be found of equal service to others engaged in the head-splitting, exhausting work of scheming and devising machinery, than which I can conceive of no head-work more wearing and anxious. Several valuable works have already found numerous users, and there is no lack of admirable collections of memoranda, rules, and data for designing and proportioning the various constructive details of machinery; but, as far as I am aware there is no work in existence which aims at the same purpose as is attempted in the following pages, viz. to provide side by side suggestive sketches of the various methods in use for accomplishing any particular mechanical movement or work, in a form easily referred to, and devoid of needless detail and elaboration. A sketch, properly executed, is—to a practical man—worth a folio of description ; and it is to such that these pages are addressed. For the same reason it has been deemed undesirable to add to the various sketches any rules or tables relating to strengths or dimensions, which may be found in numerous well-known volumes.
Content:
Accumulators
Adjusting devices .
Anchoring ....
Anti-friction bearings
Apparatus for drawing curves
Automatic cut off. See Valve gear
Balance weights
Ball and socket joints
Beam-engines, types of
Bearings. relieving pressure on
Bed-plates, foundations, and framing of machines
Belt gearing pulleys
Blowing and exhausting
Boilers, types of
Bolts,.
Boring, drilling.
Brakes and retarding appliances
Caming of machines
Cams, tappets, and wipers
Carriages, cars .
Centers
Centrifugal force, applications of
Chains, links, and couplings .
Chopping, slicing, and mincing
Chucks, grips, and holders
Circular and reciprocating motion
Clutches
Compensating and balance weights
Concentrated power
Concentrating and separating .
Condensing and cooling .
Connecting rods and links
Contracting and expanding
Conveying messages, &c. .
„ motion to movable parks
Conveyors ....
Cotters,
Couplings for shafting
Covers, doors, .
Cranes, types of,
Cranks and eccentrics,
Crushing, rolling, and disintegration
Curves, apparatus for drawing
Cushioning,
Cutting tools,
Differential gear,
Disintegrating,
Doors, covers, manholes,.
Drawing and rolling metals,
curves, apparatus for
Drilling, boring, &c.
Eccentrics,
Elastic wheels
Elliptical motion
Engines and boilers combined, types of
Exhausting and blowing
Expanding and contracting devices
Fastening wheels to shafts
Feed gear
Filtering
Foundation and framing
Friction gear,
Gear, differential
friction .
reversing
rope
valve
Gearing, belt .
„ toothed
„ various devices in
Governing and regulating speed, power,
Grips and holders,
Guides, slides,
Handles,
Heating appliances,
Hinges and joints,
Holders and grips,
Hooks, swivels,
Hydraulic multiplying gear
Impact. See Striking and hammering
Incorporating,
Indicating pressure, speed,
Intermittent motion
Iron and steel .
Jets, nozzles,
Joints and hinges
Journals, bearings, pivots,
Keys, cotters, pins,
Leveling and plumbing
Levers
Links
Locking devices
Lowering
Lubricators,
Marine engines, types of
Materials of construction
Measuring and weighing .
Mechanical powers .
Messages, conveying
Mincing ....
Mixing and incorporating
Motive power .
Movable parts, conveying motion to
Multiplying gear hydraulic .
Nozzles and jets
Packings, joints, stuffing-boxes,
Parallel motions
Pawl and ratchet motions, intermittent motion .
Pins,
Pipes and conveyors
Pivots
Plate work
Plumbing and leveling
Power and speed, to vary
„ motive
„ reservoirs of
„ transmission of
Pressing
Propulsion
Pumping and raising water
„ engines, types of
Quick return motions
Rails and tram roads
Raising and lowering weights water—pumping,
Ratchet and pawl motions,
Reciprocating and circular motion,
Regulating and governing,
Relieving pressure on bearings
Reservoirs of power, accumulators
Retarding appliances
Reversing gear
Riddling and screening
Rope, belt, and chain pulleys„ gearing
Rolling and drawing
Rotary engines
Safety appliances
Screening
Screw gear, bolts
Sections of iron and steel. See Materials
Segments, wheels in
Separating
Shaft couplings
Shafting
Signals,
Slicing and mincing
Slide and other valve gearing
Slides guides,
Socket joints,
Sound
Sources of power
Speed and power „ indicating
Spindles and centers
Springs
Starting valves .
Steam traps .
Striking and hammering--impact
Struts and ties
Stuffing boxes .
Swivels .
Tanks and cisterns
Tappets
Throwing in and out of gear .
Ties and struts ..
Timber. *See Materials . .
Tools, cutting
Toothed gearing
Tramroads
Transmission of power
Traps, steam .
Turbines .
Valve gear
Valves and cocks starting
Variable motion and power
Washing
Water-pressure engines .
Water-wheels and turbines
Weighing and measuring, indicating pressure
Wheels, elastic ....
„ fastening to shafts
„ in segments
Windmills and feathering wheels .
Winding apparatus...
Wipers
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