Standard Gears. Enquiry CD Contents. Power Transmission Solutions. Catalogue Selection INDEX CROSS+MORSE
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1 Stanar Gears Inex Gear Proucts Overview 2 evel an Mitre Gear Selection -.P. evel an Mitre Gears Metric evel Gears 7- Metric Mitre Gear 6 Straight Racks Spur Gears - Spur Gear Selection 9 atalogue Selection INEX Enquiry ontents ROSS+MORSE Power Transmission Solutions
2 Gear Proucts ROSS+MORSE ross+morse offer a comprehensive range of stanar stock gears which, couple with the capability to supply on short lea times custom esigne gears, provies the esign engineer with a wie spectrum of solutions from which to select open gear rives. Stanar Stock Gears The range of stanar stock gears is etaile in the following catalogue pages, incluing recommenations for gear selection, can be summarise as follows: evel an Mitre Gears Straight ut evel an Mitre Gears manufacture to the Gleason system in meium carbon steels enable simple right angle rives with reuction ratios up to :. Two series of gears are offere, the first the original T.. ross range to imperial imensions from P to P pitch, the secon a much improve metric range of gears from Mo. to Mo. pitch. ll gears can be inuction or flame harene for longer life uner aruous conitions. Spur Gears new range of P.. spur gears all manufacture in meium carbon steel, provie selection from Mo. through to 6 Mo. pitch with gears from teeth to 7 teeth. ll gears have face with equal to ten times Mo. number to provie sensible power transmission capability. To supplement the steel gears is a select range of cast iron wheels covering pitch range 2 Mo. to Mo. with to tooth size. Straight Racks vailable in stanar lengths of 0.,.0 an 2.0 metres is a range of P.. straight cut racks with pitch range Mo. to 6 Mo. These are esigne to combine with the stanar spur gears to provie low cost conversion of rotary to linear motion. Special ustom Mae Gear Proucts Moification of stanar gears by reworking the bore an faces, an aing heat treatment often provies the most economical gear solution; but for those applications where stanar gears cannot be use, special gears an racks can be manufacture within the following limits. Mitre an evel Gears Straight cut gears to the Gleason System up to 0mm iameter, can be provie in a variety of materials. Spur Gears In iametrical, circular or moule pitches with tooling available most pitch sizes in both /2 an pressure angle for gears up to 7mm iameter. Helical Gears With helix angles up to an pitch iameter up to 7mm. Straight Racks Racks of Moule or iametrical (P) pitches can be supplie up to 2 Metre length an pitch up to Mo or.p. Internal Gears an Splines s up to 6mm can be machine to a epth of 0mm either stanar spur gear or internal splines. Splines an Serrations Involute, flat root, or fillet root splines an serrations can be cut on machine shafts or customer blanks. Special Gearboxes ustom esigne gear systems can be supplie to suit iniviual rive requirements, using spur gears, helical gears, or inverte tooth chain. Shaft centres to /2 metres an power ratings to 00KW have been provie. We welcome the opportunity to quote for your requirements. T el + 0 Fax sales@crossmorse.com 2 ontents atalogue Selection INEX Stanar Gears : INEX K
3 evel an Mitre Gears ROSS+MORSE evel an Mitre Gears are use to transmit power between shafts intersecting at, on low spee, high torque applications where pitch line velocity oes not excee m/s. ll ross+morse gears are cut to the Gleason System to provie equal strength between pinion an gear. Interchangeability evel gears of ientical pitch an teeth but from ifferent rive ratio gearsets are not interchangeable. ll bevel gears are generate on the pitch cone raius which varies with the ratio of gears within a given iametral pitch. Installation ll mitre an bevel gears evelop en thrust which must be counteracte by bearings of aequate capacity. ccurate an rigi mounting of both gear an pinion provie quiet operation an long life. earing spacing an shaft stiffness shoul be selecte to keep shaft eflection below.0mm. Lubrication Grease lubrication can be aequate for low spee applications but oil splash lubrication is always preferable. The oil level shoul cover the face of the lower gear, an sufficient capacity shoul be available to keep oil temperature below. Efficiency When correctly aligne, a bevel gearset with oil lubrication can operate with transmission efficiency up to 9 per cent. Power Rating Tables - Stanar Metric Mitre Gears Gear Set atalogue M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M esign an Selection The power steel bevel gears can transmit uner ieal lubrication conitions is normally limite by wear life. The following tables give esign power in kw for a normal operating life of,000 hours for stock gears. For increase life gears can be inuction harene. For correct selection of a evel Gearset first assemble application ata, incluing Power, shaft spees an rive ratio require.. From etails of river an riven equipment select correct Service Factor from table below. 2. alculate esign Power kw esign Power = ctual Power Service factor.. If rive ratio not available etermine from R.P.M. High Spee Shaft Ratio = R.P.M. Low Spee Shaft. From table for rive Ratio (i.e. : Mitre Gear,.: to : evel Gears), select smallest gearset where Power equals or excees esign power at Pinion R.P.M. For variable spee rives check selection at max. shaft spee, torque an power. For useful formulae on evel Gears esign refer to appenix pages. esign Factors Power Source Uniform Light Impulse Heavy Impulse haracter of Loa of riven Equipment Selections in tinte area have pitch line velocity over m/s. For these selections it is recommene teeth are inuction harene. Uniform.00.. Moerate Shock... For spee increase rives a 0. to above factors. Gear Spee R.P.M Heavy Shock. 2. T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
4 evel an Mitre Gears ROSS+MORSE Power Rating Tables - Stanar Metric evel Gears Gear Set atalogue.: Ratio - Stanar Metric evel Gears M M M M M M M M M Gear Spee R.P.M : Ratio - Stanar Metric evel Gears M M M M M M M M M : Ratio - Stanar Metric evel Gears M M M M M M M M M : Ratio - Stanar Metric evel Gears M M M M M M M M M Power Rating Tables - Imperial Series.P. Stock evel an Mitre Gears Gear Set atalogue Mitre Gears -.P. Stanar 6 2: Ratio - Stanar.P. Gears 6 : Ratio - Stanar.P. Gears 6 Pinion Spee R.P.M T el + 0 Fax sales@crossmorse.com Selections in tinte area have pitch line velocity over m/s. For these selections it is recommene teeth are inuction harene. ontents atalogue Selection INEX Stanar Gears : INEX K
5 Stanar.P. Mitre an evel Gears ROSS+MORSE Stanar.P. Mitre Gears ll gears cut pressure angle material - 0M H E Imperial Series Mitre Gears.P. to.p. atalogue.p. of Teeth Pitch ia Stanar.P. evel Gears ll gears cut pressure angle material - 0M Imperial Series evel Gears.P. to 6.P. atalogue.p. evel Gear Sets 2: Ratio 6 6 evel Gear Sets : Ratio 6 6 of Teeth Pitch ia. ll Gears Stocke with Stanar Plain ore. Rebore, Keyway, Setscrew an Inuction Harening Services available. evel an Mitre Gears with other.p. an Moule can be supplie to orer up to mm iameter. F Min Min F Max Max E F G H E F G H pprox Wt. per Gear pprox Wt. per Gear H E G G G F G H E H E T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
6 Stanar Metric Mitre Gears ROSS+MORSE ross+morse stanar stock metric mitre gears complement the existing range of iametral pitch gears to provie the esigner a wier range of selection. The mitre gear sets are available in tooth sizes in 9 pitches from.0 Mo to.0 Mo, proviing the correct solution for right angle rives in applications from light instrumentation an office equipment to heavy manufacturing machinery. ll gears are manufacture in meium carbon steels for high strength an urability, an can be optionally inuction/flame harene for more aruous applications. The gears are cut to the Gleason System with egree pressure angle, an supplie only in pairs to ensure correct matching. For long life an efficient operation it is essential that mitre gears are correctly mounte on rigily supporte shafts with bearings able to support the axial an raial loas impose. The shafts shoul be at a true right angle within the following tolerances:- Shaft xis to intersect within ± 0.0mm Shafts to be at right angles within ± angle The mounting istance (imension ) to be true within +0.0/ 0.0mm at. Pitch Moule Teeth min ore max E F H M M M M M M M M M M M.0... M M M.0... M.0... M M M M M M M M M M M M M M M M M M M M M M M M M M M M M M F. H E ll imensions in mm. ll gears stocke with stanar plain bore. Rebore, keyway, setscrew an inuction harening services available. evel an mitre gears with other.p. an moule can be supplie to orer up to mm iameter H E pprox per Gear Kg T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
7 Stanar Metric Series evel Gears ROSS+MORSE ross+morse stanar stock bevel gears complement the existing range of iametral pitch gears to provie the esigner a wier range of selection. vailable in stanar ratios with 9 ifferent pitches ranging from.0 Mo to.0 Mo, these bevels provie the ieal solution for many right angle rive applications from light instrumentation to rugge manufacturing plant an agricultural equipment. ll gears are manufacture in meium carbon steels for high strength an urability, an can be optionally inuction/flame harene for more aruous applications. The gears are all gear cut to the Gleason System with egree pressure angle, an supplie only in complete sets to ensure correct matching. For long life an efficient operation it is essential that bevel gears are correctly mounte on rigily supporte shafts with bearings able to support the axial an raial loas impose. The shafts shoul be at a true right angle within the following tolerances:- Shaft xis to intersect within ± 0.0mm Shafts to be at right angles within ± angle The mounting istance (imension ) to be true within +0.0/ 0.0mm Metric Series evel Gears.0 Mo to.0 Mo atalogue Pitch Moule evel Gear Sets. : Ratio M M M M M M M M M evel Gear Sets 2.0 : Ratio M M M M M M M M M Teeth Pitch ia. ll imensions in mm. ll gears stocke with stanar plain bore. Rebore, keyway, setscrew an inuction harening services available. evel an mitre gears with other.p. an moule can be supplie to orer up to mm iameter. min ore max E F G H pprox Wt T el + 0 Fax sales@crossmorse.com 7 ontents atalogue Selection INEX Stanar Gears : INEX K
8 Stanar Metric evel Gears ROSS+MORSE Metric Series evel Gears.0 Mo to.0 Mo atalogue Pitch Moule evel Gear Sets : Ratio M M M M M M M M M evel Gear Sets : Ratio M M M M M M M M M Teeth Pitch ia. ll imensions in mm. ll gears stocke with stanar plain bore. Rebore, keyway, setscrew an inuction harening services available. evel an mitre gears with other.p. an moule can be supplie to orer up to mm iameter. min ore max E F G H pprox Wt T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
9 Spur Gear Selection ROSS+MORSE For a require centre istance an gear ratio a suitable pair of spur gears can be selecte use an assesse by the following proceure. Select numbers of teeth in gears an moule (pitch). Z2 Gear Ratio i = (Teeth riven gear) Z (Teeth riven gear) Shaft centre istance in mm = sum gear teeth x pitch = (Z + Z2) P From this initial selection each gear can be assesse for strength an wear using the following formulae. The least of the four calculate powers is the capacity of the gear set. The capacity require is etermine by multiplying actual power by a service factor relative to river an riven equipment, refer page c2. If calculate power is below require capacity increase pitch or face with of gears, ajust teeth sizes accoringly, an reassess rive. If calculate power is substantially in excess of require capacity a lower Moule coul be consiere. Table Spee factor for Strength Xb (for hour rating) 9 aily Hours Table 2 ombine Speee Factor for Wear Xc (for hour rating) aily Hours Strength capacity Ps= Xb x Sb x YS x F x N x Z x P 2 kw,0 x Wear capacity Pw = Xc x Sc x YZ x F x N x Z x P. kw,000 x Where:- F = Face with mm N = Gear shaft spee r.p.m. P = Gear pitch, Moule Sb = ening stress for gear material (see below) Sc = Surface stress for gear material (see below) Xb = Spee factor for strength - see table Xc = Spee factor for wear - see table 2 YS = Strength factor - see table YZ = Zone factor - see table Factors Sb an Sc Gears Gear Type Sb N/mm 2 Sc N/mm 2 Steel Gears an racks ast Gears Table Strength Factor Ys Teeth Number of Teeth on Gear being esigne Rack Rack Gear Shaft rpm Gear Shaft rpm Number Teeth Mating Gear Table Zone Factor Y2 (Note: factor same for both gears in gearset) Teeth Number of Teeth on Gear being esigne Rack Rack Number Teeth Mating Gear T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
10 ROSS+MORSE K INEX Stanar Gears : T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Spur Gears.0 Mo Spur Gears Suffix of at. inicates gear type Gear Type Gear Type imensions tables for Spur Gears.0 an. Mo. ll gears machine from meium carbon, inuction harening steels. Pitch Mo. Mo Mo. Mo at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S S S S S S7 S S S S S S S S S S S S9 S S S S S S S S S S9 S S6 S S S S S S S6 S S S S S S S S S S0 S S S S Mo Spur Gears at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S S S S S S7 S S S S S2 S S S S S S S S S S S S S S S S S9 S S6 S S S S S S S6 S S S S S S S S S S0 S S S S Gear Withs
11 ROSS+MORSE K INEX Stanar Gears : T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Spur Gears imensions tables for Spur Gears 2.0 to 6.0 Mo. ll gears machine from meium carbon steels. Pitch 2 Mo 2. Mo Mo Mo Mo 6 Mo Gear Withs mm Gear Type Gear Type S S S S S S S S S S S S S S S S S2 S S S S S S S S S7 S S S S S S 2.0 Mo Spur Gears Suffix of at. inicates gear type at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S S S S S S7 S S S S S S S S S S S S9 S S S S S S S S S S9 S S6 S S S S S S S6 S S S S S S S S S S0 S S S S Mo Spur Gears at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. 2 7 S S S S7 S S9 S S S S S S S S S S9 S S S S S S S S S S S0 S S S S
12 ROSS+MORSE K INEX Stanar Gears : T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX at. Teeth Pitch ia. Min ore at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S2 S S S S S 6.0 Mo Spur Gears Outsie ia Stanar Spur Gears at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S S S S S S7 S S 2 7 S S S S S S S S7 S S S S S S S S S S S S S S S S0 S S S S7.0 Mo Spur Gears at. Teeth Pitch ia. Min ore Outsieia. at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S S S 2 S S S S S S S S S S S S S S S S S S S S0 S S.0 Mo Spur Gears at. Teeth Pitch ia. Min ore at. Teeth Pitch ia. Min ore Outsieia. S S S S S S S S S S S S S S S S S2 S S S S 2 S S S S S S S S S S S S S S S S S S0 S S.0 Mo Spur Gears Outsie ia
13 ast Iron Spur Gears an Steel Racks ast Iron Spur Gears ross+morse stanar cast iron gears are manufacture in 7 pitch sizes from 2.0 Mo to.0 Mo. They are machine from Grae 0 iron casting with gears finishe to IN lass 7 stanar. ll spur gears are with egree pressure angle an same face withs as the stanar steel gears of the same pitch, enabling correct operation with these steel pinions. ast iron gears are an ieal choice for lower torque, slow spee (max. pitch line spee 2. m/s) rives, offering lower cost an weight to equivalent machine steel gear. Their reuce weight makes them popular on mobile plant. at. S S S S S S S S S S S S S S S S S S S S S S S Mo. 2.0 Mo 2. Mo 2. Mo.0 Mo.0 Mo. Mo. Mo. Mo. Mo.0 Mo.0 Mo.0 Mo.0 Mo.0 Mo. Mo. Mo. Mo. Mo. Mo.0 Mo.0 Mo.0 Mo.0 Mo Teeth Pitch ia Min.ore With Steel Racks ross+morse stanar gear racks are manufacture in meium carbon steel suitable for inuction or flame harening if require. The spur racks are precision machine with egree pressure angle, an to be completely compatible with stanar range of spur gears have ientical face with. The esigner is free to select any combination of stanar spur gear an rack of same pitch to obtain off the shelf rack an pinion sets. These provie the ieal metho to convert rotary into linear motion for table rives etc. or linear to rotary motion as in fees. In aition to the stanar range of racks special constructions can be provie with pitch size up to mo. at. R0 R R R R R R0 R R R0 R R R0 R R R0 R R R0 R R R0 R R Pitch Moule With Overall Height h Height to Pitch Line hp Length L O ll imensions in mm. pprox. Kg ROSS+MORSE Gears stocke pilot bore can be supplie finish bore an keywaye. hp h Racks can be supplie moifie to enable easy mounting by aition of plain or tappe holes. L EN T el + 0 Fax sales@crossmorse.com ontents atalogue Selection INEX Stanar Gears : INEX K
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