Glossary index A-Z

r.m.s. value (n) r.p.m. (n) rabbet (n) rabbet plane (n) race (n) raceway (n) Rack rack (n) rack and pinion (n) rack and pinion lift (n) rack drive (n) rack for intermediate storage (n) rack gear (n) rack pinion (n) rack-and-pinion drive (n) racked (adj) radial (adj) radial acceleration (n) radial angular-contact ball bearing (n) radial anti-friction bearing (n) radial arm saw (n) radial ball bearing (n) radial bearing (n) radial bearing play (n) radial bearing with cylindrical bore (n) radial clearance (n) radial cylinder-roller bearing (n) radial displacement (n) radial drilling machine (n) radial dynamic additional load (n) radial factor (n) radial feed (n) radial feed hobbing (n) radial force (n) radial labyrinth seal (n) radial load (n) radial loading (n) radial needle bearing (n) radial play (n) radial roller bearing (n) radial rolling-contact bearing (n) radial runout (n) radial seal (n) radial self-aligning roller bearing (n) Radial shaft seal radial shaft seal ring (n) radial sleeve bearing (n) radial speed (n) radial stress (n) radial tapered roller bearing (n) radial thrust (n) Radial tooth coupling radial velocity (n) radial welding (n) radian (n) radian frequency (n) radian measure (n) radiant energy (n) radiant heat (n) radiate (v) radiation (n) radiation energy (n) radiation index (n) radiation intensity (n) radiation protection (n) radiation safety (n) Radiation sensor radiation source (n) radiation space (n) radiator (n) radio (n) radio clock (n) radio control (n) radio frequency (n) radio frequency identification (RFID) (n) radio interference (n) radio interference level (n) radio interference suppression filter (n) radio interference suppression level (n) radio link (n) radio wave (n) radio-frequency circuit (n) radiocommunication (n) radiograph (n) radiographic examination (n) radiographic inspection (n) radiographic test (n) radiographic testing (n) radiometry (n) radius (n) radius of curvature (n) radius of gyration (n) radius of inertia (n) radius of pitch circle (n) radius of reference circle (of wormwheel) (n) rag (n) rag bolt (n) rail (n) rail base (n) rail bracket (n) rail clip (n) rail connector (n) rail fixing (n) rail freight service (n) rail joint (n) rail section (T-section) (n) rail vehicle (n) rail-cage combination (n) railing (n) railway (n) railway trunk (n) raise (v) raised floor (n) raising (n) rake angle (n) ram (n) ram assembly (n) ram force (n) ram joint (n) ram top (n) ram travel (n) ramming (n) ramp (n) ramp down (v) ramp up (v) ramped apron (n) random fluctuation (n) random noise (n) random orbital sander (n) random sample (n) random storage (n) random variable (n) random warehouse (n) random warehouse management (n) range (n) range of adjustment (n) range of coverage (n) range of functions (n) range of goods (n) range of motion (n) Range of movement range of movement (n) range of pitch errors (n) range of variation (n) range selector (n) range system (n) range type power station (n) ranked positional weight technique (n) rapid (adj) rapid advance (n) rapid feed (n) rapid motion (n) rapid power traverse (n) Rapid prototyping rapid return (n) rapid traverse (n) rare gas (n) raster (n) raster unit (n) ratched brace (n) ratchet handle (n) ratchet screwdriver (n) ratchet wheel (n) rate (n) rate (v) rate of current rise (n) rate of cut (n) rate of descent (n) rate of production (n) rate of supply (n) rate regulator (n) rated acceleration (n) rated breaking strength (n) rated capacity (n) rated cross-sectional area (n) rated current (n) rated flow (n) rated frequeny (n) rated life (n) rated load (n) rated load plus 25 % (n) rated load plus 50 % (n) rated load torque (n) rated output (n) rated power (n) rated speed (n) rated torque (n) rated value (n) rated voltage (n) rated-load torque (n) rating (n) rating (pl) rating class (n) rating plate (n) ratio (n) ratio of permissible bending stress to permissible torsion stress (n) raw (adj) raw coal bunker (n) raw data list (n) raw material (n) raw material consumption (n) raw material costs (n) raw material price (n) raw materials storage area (n) raw materials warehouse (n) raw part (n) raw part drawing (n) ray (n) ray (of light) (n) ray of the funicular polygon (n) re-adjust (v) re-arrange (v) re-cut (v) re-design (v) re-engagement lockout (n) re-finish (v) re-level (v) re-levelling (n) re-levelling device (n) re-levelling speed (n) re-machine (v) re-machining (n) re-measure (v) re-open (v) re-position (v) re-rope (v) re-tool (v) re-work (v) reach (n) reach stacker (n) Reach truck reach truck (n) reaching method (n) reactance (n) reaction (n) reaction axiom (n) reaction force (n) reaction time (n) reactive (adj) Reactive power reactive power (n) reactive-power absorption (n) reactor (n) read (v) read distance (n) reader (n) readiness for operation (n) readiness to deliver (n) readiness to supply (n) reading (n) reading accuracy (n) reading reliability (n) reading speed (n) reading tolerance (n) readjust (v) readjustable (adj) readjustable nut (n) readjustment (n) readout (n) ready (adj) ready for connection (adj) ready for installation (adj) ready for operation (adj) ready for service (adj) ready state (n) ready to assembly (adj) ready to operate (adj) ready to run (adj) ready-made ... (adj) ready-made leads (pl) real (adj) Real number real part (n) Real power real power (n) real time operation (n) ream (v) reamer (n) rear view (n) rear wall (n) rear wall header (n) rebate (n) rebating cutter (n) rebound (v) rebound angle (n) rebound speed (n) rebound velocity (n) rebuild (v) receipt (v) receipt machine (n) receive (v) receive (a rope) (v) receive-only (n) receiver (n) receiving end (n) receiving inspection (n) receiving set (n) receptacle (n) reception (n) recess (n) recess (v) recess-turn (v) recessed (adj) recessed grip (n) recessed handle (n) recessed-head screw (n) recessing feed (n) recessing tool (n) Rechargeable battery rechuck (v) reciprocal (n) reciprocal action (n) reciprocate (v) reciprocating movement (n) reciprocating screw machine (n) reciprocating table (n) recirculating ball screw (n) recirculating oil lubrication (n) Recirculating roller guide recirculating roller unit (n) recirculation (n) reclaiming scraper (n) reclamp (v) recoil (v) recommended value (n) recommissioning (n) recondition (v) reconnect (v) reconstruct (v) reconstruction (n) record (n) record (v) recorder (n) recording instrument (n) records (pl) recover (v) recovery (n) recovery (of energy) (n) recovery boiler (n) recovery rate (of emergency supply) (n) recovery time (n) recrystallisation (n) recrystallisation annealing (n) rectangle (n) rectangular (adj) rectangular plate spring (n) rectangular pulse (n) rectangularity (n) rectification (n) rectified (adj) Rectifier rectifier (n) rectify (v) rectilinear motion (n) recyclability (n) recyclable packaging (n) recycle (v) recycling (n) red hot (adj) reduce (v) reduced mass (n) reduced stroke buffers (n) reducer (n) reducing adapter (n) reducing gears (n) Reduction reduction (n) reduction (forces) (n) reduction factor (n) reduction gear (n) reduction gearing (n) reduction in area (n) reduction of cross section (n) reduction of forces (n) reduction ratio (n) reduction scale (n) reduction sleeve (n) reel (n) reel (v) reel off (v) reel slitter (n) reel up (v) reeler (n) reeving (n) reference (n) reference angle (n) reference architecture (n) reference axis (n) reference condition (n) reference coordinate (n) reference cylinder chordal thickness (n) reference cylinder chordal tooth thickness (n) reference cylinder spacewidth (of a worm) (n) reference data (n) reference diameter (n) reference diameter (of a worm) (n) reference electrode (n) reference helix angle (n) reference lead angle (n) reference line (n) reference model (n) reference plane (n) reference point (n) reference point coordinates (pl) reference profile (n) reference quantity (n) reference slenderness ratio (n) reference speed (n) reference surface (n) reference system (n) reference temperature (n) reference value (n) reference variable (n) reference viscosity (n) reference voltage (n) refill (v) refilling process (n) refine (v) refinement (n) reflective label (n) reflectivity (n) reflector (n) reflux arch (n) refractoriness (n) refractory lining (n) refrigerant (n) refrigerate (v) refrigerated lorry (n) refrigerated truck (n) refrigerated wagon (n) refrigerating installation (n) refrigerating machine (n) refurbish (v) refurbishing (n) refurbishment contract (n) refuse (n) refuse disposal (n) regenerative planning (n) region (n) regional rail service (n) regional warehouse (n) register (n) register (v) registered design (n) registration (n) regrease (v) regression (n) regression analysis (n) regression line (n) regrind (v) regular scheduled service (n) regulation (n) regulator (n) reheater (n) reinforce (v) reinforced concrete (n) reinforced plastic (n) reinforcement (n) reinforcing rod (n) Reinforcing steel reinforcing steel (n) reinjection system (n) reject (v) rejection (n) rejection rate (n) rejects (n) related documents (pl) related slenderness ratio (n) relation (n) relationship (n) relationship model (n) Relative cost accounting relative eccentricity (n) relative frequency (n) relative slenderness ratio (n) relative speed (n) relative velocity (n) Relaxation relaxation (n) relaxation strain (n) relaxation stress (n) relay (n) relay tester (n) relay trip point (n) relay valve (n) release (n) release (v) release (brake) (v) release (of the safety gear) (n) release device (n) release for production (n) release lever (n) release of the safety gear (n) release of the safety gear by raising the car (n) release test (n) releasing passengers trapped in the cabin (n) relevant (adj) relevant to safety (adj) reliability (n) reliability function (n) reliability in service (n) reliability of a screw connection (n) reliability of a weld (n) reliability of supplies (n) reliability of the weld (n) reliable (adj) relief angle (n) relief valve (n) relief-cut (v) relief-grind (v) relief-mill (v) relief-turn (v) relieve (v) relieved (adj) relining (n) reload (v) relocate (v) relubricate (v) remachining (n) remedial action (n) remedy (n) remedying faults (n) remedying of faults (n) remit (n) remote (adj) remote annunciation (n) remote attendance (n) remote commissioning (n) remote control (n) remote control switch (n) remote control throwover switch (n) remote diagnosis (n) remote indication (n) remote indicator (n) remote monitoring (n) remote monitoring system (n) remote operation (n) remote programming (n) remote release (n) remote supervision (n) remote surveillance (n) remote trip (n) remote tripping (n) remote tripping device (n) removable (adj) removal (n) Removal (physical chemistry) removal by beam (n) remove (v) remove pressure (v) renew (v) renewable (adj) renewal (n) rental park for construction machines (n) reopening device (n) reorder point procedure (n) reorder quantity procedure (n) repair (n) repair (v) repair kit (n) repair shop (n) repair work (n) repeat (v) repeat accuracy (n) repeatability (n) repeated impact test (n) repeater (n) repel (v) repellent (adj) repetition (n) repetitive nature (n) replace (v) replaceable (adj) replacement (n) replacement bar method (n) replacement part (n) replenishment lead time (n) replenishment policy (n) replenishment stock (n) replenishment strategy (n) report (n) report (v) reportable (adj) represent (v) representation (n) reproduction (n) repulsion (n) required outputreference value (n) required pre-load for assembly (n) required pre-load for operation (n) required service life (n) required space (n) required storage space (n) requirement category (n) requirement type (n) requirements planning (n) requirements type (n) requirements-based procurement (n) requisite contact area (n) requisition (n) rescue (v) rescue (trapped passengers) (v) rescue and evacuation of passengers (n) rescue service (n) research (n) research (v) Research and development costs research worker (n) researcher (n) reservation (n) reserve inventory (n) reserved stock warehouse (n) reservoir (n) reset (v) reset button (n) resettable (adj) resetting (n) resident engineer (n) residential lift (n) residual oil (n) Residual stress residual stress (n) residual tension stress (n) residual voltage (n) resilience (n) resin (n) resinify (v) resist (v) Resistance resistance (n) resistance classification (n) resistance gauge (n) resistance measurement (n) Resistance moment resistance moment (n) resistance network (n) resistance spot welding (n) resistance test (n) Resistance thermometer resistance to acids (n) resistance to alkalis (n) resistance to bending (n) resistance to cracking (n) resistance to fatigue failure (n) resistance to vibration (n) resistance welder (n) Resistance welding resistance welding (n) resistance welding machine (n) resistance-diode combination (n) resistant (adj) resistant to chemicals (adj) resistant to corrosion (adj) Resistive displacement transducers or measured value potentiometers use ohmic resistance and a moving arm. The sensor is designed as a voltage divider, which means a path-dependent voltage is generated on the moving arm. After prior calibration, this prov resistor (n) resistor network (n) resolution (n) resolution of forces (n) resolve (v) resolving power (n) Resonance resonance (n) resonance frequency (n) resonance machine (n) resonance vibration test (n) Resonant circuit resonant circuit (n) resonator (n) resource deployment planning (n) resource file (n) resource planning (n) resources (pl) resources planning (n) respirators (n) respond (to calls) (v) respond (to) (v) response (n) response characteristic (n) response curve (n) response limit (n) response threshold (n) response time (n) response voltage (n) responsive (adj) responsiveness (f) responsiveness (n) responsivity (n) rest (n) rest (v) rest against (v) rest position (n) rest snugly against (v) restart (n) restart inhibit (n) restitution period (n) restore (v) restore polarity (v) restore to service (v) restoring force (n) restoring moment (n) restoring term (n) restoring the lift to service (n) restoring torque (n) restraint moment (n) restrict (v) restriction (n) restrictor (n) restrictor valve (n) result (n) resultant (n) resultant (forces) (n) resultant compression stress (n) resultant compressive stress (n) resultant force (n) resultant spring rate (n) resultant tensile stress (n) resultant torque (n) resulting moment (n) resulting moment area (n) retail trade (n) retain (v) retainer (n) retaining angle (n) retaining bracket (n) retaining lug (n) retaining ring (n) retaining ring notch (n) retaining rings (n) retaining screw (n) retaining spring (n) retaining washer (n) retard (v) retardation (n) retardation test (n) retarding torque (n) retension (v) retention force (n) retention time (n) retighten (v) retouch (v) retouching work (n) retract (v) retractable (adj) retraction (n) retreat (v) retreatment (n) retrieval (n) retrieval unit (n) retrofit (v) retrofit assembly (n) return (n) return (v) return flow (n) return landing (n) return motion (n) return pipe (n) return speed (n) return spring (n) return stroke (n) return to service (n) returnable packaging (n) reusable packaging (n) rev (n) revamp (v) revamping (n) reveal (n) reverberation effect (n) reversal (n) reversal of motion (n) reversal of movement (n) reversal of the sense of rotation (n) reversal of travel (n) reversal point (n) reverse (adj) reverse (v) reverse bending test (n) reverse bias (n) reverse direction (n) reverse fatigue strength (n) reverse fatigue strength value (n) reverse movement (n) reverse polarity protection (n) reverse rotation (n) reverse the polarity (v) reverse the terminal connections (v) reverse voltage (n) reverse-biasing (n) reversed-biased (adj) reversible (adj) reversible band brake (n) reversible-pitch propeller (n) reversing contactor (n) reversing switch (n) review (n) review (v) revise (v) revision (n) revision service (n) revolution (n) revolution counter (n) revolutions per minute (n) revolve (v) revolving (adj) revolving (washing) screen (n) revolving crane (n) revolving door (n) revolving field (n) revolving table (n) revs. per minute (n) rewind (v) rewinder slitter (for paper) (n) rework (n) rework (v) reworking (n) Reynolds number (n) RFID system rheological fluid (n) rhombus (n) rib (n) ribbed (adj) ribbed V-belt (n) ribbed-plate air heater (n) ribbing (n) ribbon (n) ribbon cable (n) ribbon core (n) ride (v) ride characteristic (n) ride quality (n) ride request (n) riding properties (pl) riding quality (pl) right (adj) right-angle cutter (n) right-angled (adj) right-angled triangle (n) right-hand (adj) right-hand flute (n) right-hand helix (n) right-hand lay (n) right-hand rotation (n) right-hand thread (n) right-hand twist (n) right-handed winding (n) rigid (adj) rigid body (n) rigid connection (n) rigid guide bushing (n) rigid-body kinematics (n) rigid-hammer mill(crusher)pulverizer (n) rigidity (n) rigidity distribution (n) rigidity of welded joints (n) rim (n) ring (n) ring (v) ring bolt (n) ring fork wrench (n) ring gear (n) ring groove (n) ring nut (n) ring pin (n) ring spring (n) ring surface (n) ring transport system (n) ring-ball mill (n) ring-shaped (adj) ring-shaped collar seal (n) ringing bell (n) Ringspann flexible coupling rinse (v) rip fence (n) rip saw (n) ripple (n) ripple content (n) ripsaw (n) rise (n) rise (v) rise time (n) riser (n) rising floor (n) rising main (n) risk (n) Risk analysis risk analysis (n) risk appraisal (n) risk assessment (n) risk of crushing (n) risk of falling (n) risk of pinching (n) Ritter method (n) Ritter method (method of sections) Ritter's method of dissection (n) Ritter's traverse (n) river barge (n) river boat (n) river port (n) Rivet rivet (n) rivet (v) rivet connection (n) rivet diameter (n) Rivet joint rivet joint (n) rivet pattern (n) rivet pitch (n) rivet spacing (n) riveted joint (n) riveting machine (n) rivets (n) riving knife (n) road feeder service (n) road gradient (n) road tanker (n) road train (n) road wheel (n) robot (n) robot control (n) robot drive (n) robot generation (n) robot programming (n) robot simulation (n) robot welder (n) robot work zone (n) robotics (n) robust (adj) robustness (n) rock (v) rocker (n) rocker arm (n) rocker switch (n) rocking lever (n) rocking motion (n) Rockwell hardness (n) Rockwell hardness test Rockwell hardness test (n) rod (n) rod bearing arrangement (n) rods (n) roll (n) roll (v) roll out (v) roll-off container transport system (n) rolled plate (n) rolled sheet (n) rolled steel (n) rolled steel joist (n) rolled steel joist (profiles) (n) roller (n) roller arm (n) roller bearing (n) roller bearing cage (n) roller bearing lubrication (n) roller bearing seal (n) roller bearing tolerance (n) roller bearing track (n) roller cage (n) roller chain (n) roller cone apex (n) roller conveyor (n) roller conveyor rack (n) roller element recirculation (n) roller external ring (n) roller guide (n) roller lever (n) roller safety (n) roller set (n) roller shutter door (n) Roller table roller table (n) roller tappet (n) roller track (n) roller-type safety gear (n) roller-type switch (n) Rolling rolling (n) rolling bearing (n) rolling body (n) rolling circle (n) rolling condition (n) rolling contact (n) rolling contact partner (n) rolling element (n) rolling element row (n) rolling force (n) rolling friction (n) rolling lobe air spring (n) rolling mill (n) rolling moment (n) rolling radius (n) Rolling resistance rolling resistance (n) rolling-ball contact (n) Rolling-contact fatigue rolling-contact fatigue (n) rolling-contact gear (n) rolling-contact path (n) Rolling-element bearing Rolling-element bearing guide Rolling-element bearing seal rolling-motion contact (n) roof (n) roof burner (n) roof truss (n) roof-fired furnace (n) roofed (adj) roofing (n) rooflight (n) room (n) Room temperature room temperature (n) room-saving (adj) rooms for non-lift purposes (pl) rooms other than those for the service of lifts (pl) root (n) root bearing (n) root circle (n) root circle diameter (n) root diameter (n) root mean square value (n) root of weld (n) Roots blower (n) rope (n) rope (v) Rope (conveying technology) rope adhesion (n) rope anchorage (n) rope attachment (n) rope block (n) rope breakage (n) rope clamp (n) rope coil (n) rope compensation (n) rope diameter (n) rope drive (n) rope drum (n) rope elongation (n) rope force (n) rope fracture (n) rope friction (n) rope friction force (n) rope grip (n) rope gripper (n) rope gripper jaw (n) rope gripping jaw (n) rope guard (n) rope guide (n) rope hitch (n) rope jump (n) rope preservative (n) rope pull (n) rope pulley (n) rope reel (n) rope sheave (n) rope stretch (n) rope suspension (n) rope tension force (n) rope termination (n) rope to be discarded (adj) rope traction (n) rope weight (n) rope winch (n) roped (e.g. 1:1) (n) roped elevator (n) roping (n) rotary (adj) rotary acceleration (n) rotary actuator (n) rotary air heater (n) rotary amplifier (n) rotary axis (n) rotary bending (n) rotary bending load (n) rotary bending stress (n) rotary chain (n) rotary compressor (n) rotary current (n) rotary current transformer (n) rotary cylinder conveyor (n) rotary cylinder feeder (n) rotary deceleration (n) rotary displacement machine (n) rotary extended-lance sootblower (n) rotary field (n) rotary guide (n) rotary hammer breaker (n) rotary impact (n) rotary jig (n) rotary joint (n) rotary kiln (n) rotary long (stroke) retractable sootblower (n) rotary motion (n) rotary movement (n) rotary oscillation (n) rotary piston (n) rotary power (n) rotary pulse (n) rotary pulse generator (n) rotary pump (n) rotary roller bearing (n) rotary sander (n) rotary screen (n) rotary slide valve (n) rotary switch (n) rotary table (n) rotary table bearing (n) rotary table feeder (n) rotary table grinder (n) rotary table miller (n) rotary tower crane (n) rotary-piston blower (n) rotary-plate turret (n) rotatable (adj) rotate (v) rotating (adj) rotating armature (n) rotating clockwise (adj) rotating drive (n) rotating field (n) rotating motion (n) rotating table (n) rotating tower crane (n) Rotation rotation (n) rotation by 180° (n) rotation indicator (n) rotation through 180° (n) rotation time (n) rotational angle (n) rotational deceleration (n) rotational energy (n) rotational frequency (n) rotational speed (n) rotational speed limit (n) rotational work (n) rotatory (adj) rotatory work (n) roto-handle (n) rotor (n) rotor bearing (n) rotor cage (n) rotor shaft (n) rotor starter (n) rotor winding (n) rough (adj) rough machining (n) rough opening (n) rough planing (n) rough size (n) rough up (v) rough-cut (v) rough-cutting (n) rough-grind (v) rough-machine (v) rough-machined (adj) rough-machining (n) rough-turning lathe (n) roughen (v) roughing (n) roughing cut (n) roughing cutter (n) roughing hob (n) roughing lathe (n) roughing mill (n) roughing tool (n) roughness (n) Roughness (engineering surfaces) roughness parameter (n) roughness profile (n) roughness profile parameter (n) Roughness value round (adj) round anchor plate (n) round bar (n) round bar steel (n) round file (n) round groove (n) round nut (n) round packing cord (n) round plane (n) round thread (n) round thread chaser (n) round trip (n) round trip time (n) round-column drilling machine (n) round-head bolt (n) round-head screw (n) round-neck nut (n) round-trip time (n) rounded (adj) rounded core (n) rounding (n) roundness (n) route (n) route (v) route planning (n) router (n) router plane (n) router table (n) routing (n) routing function (n) routing strategy (n) row (n) Row rack row rack (n) row storage (n) rpm limit (n) RSJ (n) RTT (n) rub (v) rubber buffer (n) rubber cylinder (n) rubber grommet (n) rubber hose (n) rubber seal (n) rubber sleeve (n) Rubber spring rubber spring (n) rubber spring deformation (n) rubber spring elastomer (n) rubber spring stress (n) rubber stop (n) rubber-bonded metal (n) rubbing surface (n) rubbish (n) rugged (adj) ruggedness (n) rule (n) rule of sign (n) rule of thumb (n) ruler (n) run (n) run (v) run at no load (n) run down (adj) run hot (v) run in (v) run off the rails (v) run on (v) run size (n) run up (v) run up to speed (v) run-in efficiency (n) run-in period (n) run-in speed (n) Run-out tolerance runby (n) rung (n) running (n) running accuracy (n) running at no load (n) running characteristic (n) running clearance (n) running fit (n) Running gear running gear (n) running performance (n) running properties (pl) running rail (n) running smoothness (n) running surface (n) running time (n) running wheel (n) running-in period (n) running-open operation (n) running-up time (n) runway (n) rupture (n) rupture in the flank profile (n) rupture point (n) rupture valve (n) rush hour (n) rush order (n) rust (n) rust (v) rust inhibitor (n) rust protection (n) rust remover (n) rust spot (n) rust stain (n) rust-inhibiting grease (n) rust-protecting paint (n) rust-resistant (adj) rustless (adj) rustproof (adj)