Group: Nidec
Catalog excerpts
Cb, Ot, Mub, Mb, FFB Electromechanical Manual Offer, Ranges, Determinations Variable speed and fixed speed Efficiencies: Non IE, IE2, IE3 0.06 to 110 kW
Open the catalog to page 1Electromechanical Manual Offer HELICAL GEARS SOLID SHAFT HELICAL GEARS HOLLOW SHAFT SOLID SHAFT PULLEY BELT HELICAL GEARS HOLLOW SHAFT CONICAL BUSH WHEEL AND SCREW GEARS HOLLOW SHAFT OUTPUT SHAFT HELICAL AND TORQUE GEARS HOLLOW SHAFT OUTPUT SHAFT ELECTROMECHANICAL ASSEMBLIES VERY HIGH Ranges of associated drives Starter Variable speed Drive cabinet variable speed Built-in variable speed
Open the catalog to page 2Electromechanical Manual Ranges of perpendicular output gearbox 1000 Ranges of brakesFixed speed 4-pole brakes 90 kW
Open the catalog to page 3Electromechanical Manual BASIC UNITS AND FORMULAE
Open the catalog to page 4Electromechanical Manual Index PAGES
Open the catalog to page 5Electromechanical Manual General information Quality commitment Leroy-Somer's quality system is based on: - Control of procedures right from the initial sales offering until delivery to the customer, including design, manufacturing start-up and production. - A total quality policy based on making continuous progress in improving operational procedures, involving all departments in the company in order to give customer satisfaction as regards delivery times, conformity and cost. - Indicators used to monitor procedure performance. - Corrective actions and advancements with tools such as...
Open the catalog to page 6Cb, Ot, Mub, Mb, FFB Electromechanical Manual General information Directives and standards relating to motor efficiency There have been a number of changes to the standards and new standards created in recent years. They mainly concern motor efficiency and their scope includes measurement methods and motor classification. Regulations are gradually being implemented, both nationally and internationally, in many countries in order to promote the use of high- efficiency motors (Europe, USA, Canada, Brazil, Australia, New Zealand, Korea, China, Israel, etc.). The new generation of Premium...
Open the catalog to page 7Cb, Ot, Mub, Mb, FFB Electromechanical Manual General information Standards and approvals
Open the catalog to page 8Cb, Ot, Mub, Mb, FFB Electromechanical Manual General information Standards and approvals HOMOLOGATIONS Certain countries demand or advise approvals to be sought from national bodies. Approved products must bear the acknowledged mark on the nameplate. Note: DIN 748 tolerances do not conform to IEC 60072-1.
Open the catalog to page 9Cb, Ot, Mub, Mb, FFB Electromechanical Manual Environment Definition of "Index of Protection" (IP) Indexes of protection of electrical equipment enclosures In accordance with IEC 60034-5 - EN 60034-5 (IP) - IEC 62262 (IK) 1st digit: Ingress of solid objects IP Tests Ingress of liquids Protection against mechanical impacts Protected against solid objects over 50mm (e.g. unintentional hand contact) Protected against vertically falling drops of water (condensation) Protected against solid objects over 12mm (e.g. finger) 2 Protected against falling drops of water, 02 if the case is...
Open the catalog to page 10Electromechanical Manual Environmental limitations In temperate climates, relative humidity is generally between 50 and 70%. For the relationship between relative humidity and motor impregnation, especially where humidity and temperature are high, see table on next page. g / m3 40 Measuring the humidity: Humidity is usually measured by the “wet and dry bulb thermometer” method. Absolute humidity, calculated from the readings taken on the two thermometers, can be determined using the chart on the right. The chart also provides relative humidity figures. To determine the humidity correctly, a...
Open the catalog to page 11Cb, Ot, Mub, Mb, FFB Electromechanical Manual Environment Impregnation and enhanced protection NORMAL ATMOSPHERIC PRESSURE (750 MM HG) The selection table below can be used to find the method of manufacture best suited to particular environments in which temperature and relative humidity show large degrees of variation (see relative and absolute humidity calculation method, on preceding page). The symbols used refer to permutations of components, materials, impregnation methods and finishes (varnish or paint). The protection of the winding is generally described by the...
Open the catalog to page 12Cb, Ot, Mub, Mb, FFB Electromechanical Manual Environment Interference suppression and protection of people AIRBORNE INTERFERENCE Emission For standard motors, the housing acts as an electromagnetic screening, reducing electromagnetic emissions measured at 0.25 metres from the motor to approximately 5 gauss (5 x 10-4 T). However, electromagnetic emissions may be noticeably reduced by a special construction of aluminium alloy end shields and a stainless steel shaft. Immunity The construction of motor housings (especially finned aluminium alloy frames)isolatesexternalelectromagnetic sources...
Open the catalog to page 13Electromechanical Manual Environment External finish Leroy-Somer geared motors and motors are protected with a range of surface finishes. The surfaces receive appropriate special treatments, as shown below. 1. Other finish: please call. * Values given for information only since the substrates vary in nature whereas the standard only takes account of steel substrates. ** Evaluation of the degree of rusting in accordance with ISO 4628 (rusted area between 1 and 0.5%). The Ia system applies to the group of moderate climates and the Ila system to the group of general climates, as defined in...
Open the catalog to page 14Cb, Ot, Mub, Mb, FFB Electromechanical Manual General on gearboxes Construction GEARBOXES, GEARED MOTORS Driving loads at high speed safely requires absolute control of power transmission components. To meet this need, LEROY-SOMER has developed a comprehensive range of products over the last fifty years. It is the fruit of LEROY-SOMER design offices and factories. The close integration of manufacturing ensures continuity of the products proposed, cost reduction and perfect quality control. Adapting the speed and torque of electric motors to the machines driven is the role assigned to the...
Open the catalog to page 15Cb, Ot, Mub, Mb, FFB Electromechanical Manual General on gearboxes Mounting arrangements - Dimensions COMPABLOC Dimensions in millimetres Standard position: gearbox seen from side F, motor to the rear, side D facing the ground. Definition of the mounting arrangements: S, SBS, SBDn Multistage gearbox Housing with smooth Housing with tapped Housing with hole flange hole flange reinforced flange Definition of the mounting forms: BS, BDn..., BT, BR
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