Catalog excerpts
Coreless Motor ◆ he small coreless motors are "small and high-performance" series motors T realized by advanced precision machining technology and original winding technology that offer high outputs and controllability. ◆ ecause the moment of inertia of the rotor is smaller than that of iron core B motors, the response is superior. Also due to absence of cogging, vibration Selection Guide Technical Information 技術資料 Technical Information and noise are smaller to offer better controllability. ◆ wide variety of combination with magnetic/optical encoders and various A ◆ ustom-tuned specifications for brush materials, winding, ball bearings, etc. C gearheads is possible. are available. 定格出力 Rated output モータの特徴 Features of Motor コアレス Coreless コアード Iron core コアレス Coreless Electric noise Large current load Forward/reverse repetition Continuous high speed PWM/PLL control ブラシレス Brushless 磁気 Magnetic エンコーダ Encoder
Open the catalog to page 1Coreless Motor 技術資料 Technical Information A value of current when a motor is run at the rated voltage under no load. Maximum current that flows at the rated voltage when a motor is started or locked. ◆起動電流【mA】 Maximum current that flows when the rated voltage is applied. 定格電圧 (V) 起動電流= 端子間抵抗 (Ω) Rated voltage (V) Terminal resistance (Ω) The motor output can be calculated by the following equation: 出力 = 回転数(min −1) トルク(mNm) × × Output =Speed(min −1) x torque(mNm) x 巻線、ブラシとコミュテータ間、端子又はリード線に於ける抵抗で、モータの 端子間で測定した時に得られる値。 グラファイトブラシの場合、電流により変化します。 ◆ロータ慣性モーメント 【gcm2】 Resistance between...
Open the catalog to page 2INDEX Selection Guide Technical Information 技術情報 コアレス Coreless No 無負荷回転数 No-load speed I 電流 Current (mA) T-I特性 T-I characteristic Is 起動電流 Starting current Nr 定格回転数 Rated speed Ir 定格電流 Rated current Io 無負荷電流 No-load current Tr 定格 トルク Rated torque ブラシレス Brushless 磁気 Magnetic 技術資料 Technical Information Control and Electric Noise Measures エンコーダ Encoder Generally, the T-N and T-I characteristics of DC motors can be expressed by two straight lines as shown below when the supply voltage is constant. 抵抗による制御/ Control by resistance 電源とモータ間に直列に抵抗を入れ、抵抗値増加による電流の抑制を行 い、モータ回転数を制御します。可変抵抗を使用する事により、リニア...
Open the catalog to page 3Control and Electric Noise Measures 技術資料 Technical Information NPN、PNP トランジスタを使用し、H 型ブリッジ回路のスイッチング Bidirectional driving is achieved by switching the H-type bridge circuit by トランジスタによる DC モータの双方向駆動/ Bidirectional driving of DC motors by transistors varying a ratio of "ON" and "OFF" of a pulse with the cycle kept constant. For instance, when (a) and (b) are compared, (b) that has a higher duty ratio requires larger drive energy. Recommendation frequency:20kHz − 30kHz エンコーダ Encoder Technical Information The basic principle is to vary the average energy to control the speed by を変化させることにより、...
Open the catalog to page 4エンコーダ Encoder 技術資料 Technical Information Magnetics Encoder ◆ The MR sensor and ASIC developed by the original technology based on the concept of "very small and high performance" are employed. (MR-13 and MR-16) Technical Information 選定 技術情報 コアレス Coreless ブラシレス Brushless 磁気 Magnetic ◆ A wide range of resolution can be selected by multiplying signals detected by ◆ As designed in one unit with a motor, these magnetic encoders are very small, ◆ A reflective encoder carrying light emitting and receiving elements and code Output signal Line Driver・TTL Compatible Line Driver・TTL Compatible...
Open the catalog to page 5エンコーダ Encoder 技術資料 Technical Information The number of pulses of signals output per revolution of the motor shaft. As the resolution becomes higher, finer control becomes possible. resistance according to changes in the magnetic field strength. シチズンマイクロの MR エンコーダ専用に設計された ASIC(カスタム IC)で、 The ASIC (custom IC) specially designed for CITIZEN MICRO MR encoders. Very small, yet such features as 3 channels, line driver and high resolution have been realized. B 相 A 相と位相差がある信号で、進み , 遅れにより回転方向を検出すること が可能です。 Phase B:A signal having a phase difference from Phase A and is capable of detecting a...
Open the catalog to page 6ギヤヘッド Gearhead 技術資料 Technical Information Planetary Gearhead ◆ V Series (IG-13V, 16V and 22V) gearheads offer higher torque thanks to optimum design and are of simple construction realized by sintered components. Technical Information 選定 技術情報 コアレス Coreless ◆ Input/output rotating direction ◆ Centered around RB-35 Series, the world standard, selection can be made from a wide range of products according to applications such as size and torque. ◆ RB-35V Series has been developed on the concept of "long life and continuous run" and can be combined with brushless motors. The product lineup is...
Open the catalog to page 7ギヤヘッド Gearhead 技術資料 Technical Information 算しますが、モータのトルク , 回転数等の条件により大きく変化するため、参 gears and 90% for spur gears is used in calculation. The gear efficiency, Generally, for each meshing of one stage, an efficiency of 81% for planetary however, varies largely depending on such factors as motor torque and speed Gearheads have mechanical loss (gear meshing, bearing friction, etc.). and therefore is presented as a reference value. When used at a lower torque, the efficiency will drop significantly. 《効率計算例》 ・Spur gear 3-stage meshing 効率(η)= 0.9 × 0.9 × 0.9 ≒ 0.73(73%) ・遊星ギヤ 2 段噛合い ・Planetary...
Open the catalog to page 8注意事項 Cautions ◆出力軸への取付に関する注意 接着剤を使用する場合は、接着剤が軸受部等ギヤヘッド内部に流入しないよ う注意して下さい。また、ギヤヘッドの出力軸に部品等を圧入する事は避けて 下さい。ギヤードモータ内部破損の原因になります。 コアレスモータ(エンコーダ付を含む)の軸に接着剤を使用する場合もギヤ ヘッド同様にご注意下さい。 圧入に関しては弊社にて対応を行う事は可能です。 Selection Guide ◆出力軸からの回転に関する注意 ギヤードモータを出力軸側より回転させる事は避けて下さい。歯倒れ等のギ ヤヘッド内部破損の原因になります。また、モータが発電し装置内の電子機器 Technical Information 技術情報 コアレス Coreless さい。歯倒れ等のギヤヘッド内部破損の原因になります。また、モータ仕様に よっては短時間のロックでも焼損する危険があります。 ブラシレス Brushless 磁気 Magnetic ◆出力軸追加工に関する注意 損する場合があります。また、切削粉等がギヤードモータ内部に入りこみます と、異音等の原因になりますので十分に注意して下さい。 practice is a cause of internal breakage of the gear motor. Also when using adhesive...
Open the catalog to page 9は破損の原因になります。 ・過電圧、過電流で使用した場合、モータ及びエンコーダの内部破損につなが りますので、ヒューズ、保護回路等の安全装置の設置をお願いします。 ・使用電源にサージが発生する場合、電源間にサージアブソーバを接続する等 してサージを吸収して下さい。 electronic components. ・If the magnetic encoder is placed near a magnet or used in the magnetic field, the encoder may malfunction or may be damaged. ・If the encoder is used at an overvoltage/overcurrent, the motor and encoder internal components may be destroyed. Install such safety devices as fuses and protective circuits. ・Where surge occurs in the power supply to use, absorb surge by for example installing a surge absorber in the power supply. る事があります。PWM...
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