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硬齿面圆柱减速器

发布时间:2018-04-12 人气:987 所属分类:硬齿面圆柱齿轮减速机 立即咨询

硬齿面圆柱齿轮减速器

Series of Carbide-Faced Cylindrical Gear Decelerators

一、概述Brief

硬齿面减速器主要包括平行轴系列和垂直轴系列,平行轴减速器是按******标准(GB19004-88))生产,产品经优化设计,具有国际八十年代先进水平,它主要包括ZDY (单级)、ZLY (两级). ZSY (三级)和ZFY (四级)四大系列,垂直轴减速器是按******标准(JB/T9002-1999)生产.用于输入轴与输出轴呈垂直方向布置的传动装置,它主要包括DBY. DCY和DFY三大系列。

Decelerator with hard tooth surface includes parallel shaft and vertical shaft. Parallel shaft decelerator is manufactured according to national standard (GB19004-88) .The products are optimized to advanced standard in 1980s. It includes 4 series of ZDY (single stage), ZLY (2-stage),ZSY (3-stage) and ZFY (4-stage). Vertical shaft decelerator is manufactured according to national standard (JB/T9002-1999) and used as driving device that has vertical arrange-ment of input or output shaft, and it includes 3 series of DBY。DCY and DFY.

1、性能特点Properties

(1)中心距,公称传动比等主要参数均经优化设计,主要零,部件互换性好。

(2)齿轮均采用优质合金钢经渗碳、淬火、而成,齿面硬度达HRC54-62.

(3)体积小、重量轻、精度高、承载能力大、效率高、寿命长、可靠性高、传动平稳、噪音低.

(4)一般采用油池润,自然冷却,当热功率不能满足时,可采用循环油润滑或风扇,冷却盘管冷却。

(1) Preferential design is applied such as main parameter center distance and nominaldrive ration, which guarantee good interconnection between key parts and components.

(2) All gear wheels are made of quality alloy steel and treated with carburetion andquenching,with tooth surface hardness up to HRC 54-62.

(3) Small size, light weight, high precision, large carrying capacity, high efficiency, longservice life, high reliability, stable driving, and low noise.

(4) Normally oil sump lubrication is used, with cooling naturally. If thermal power can notbe achieved, circular oil lubrication or fan may be used, and cooled with cooling coil pipe.

2、应用范围Application

(1)输入转速一般n,≤1500r/min.

(2)齿轮传动圆周速度不大于20米/秒。

(3)工作环境-4050'C.如果低于0"C.启动前润滑油应预热至0C以上,本减速器可用

于正反两个方向运转。

(4)可广泛用于冶金、矿山、化工、建材、起重,运输.纺织、造纸、仪器、塑料、橡胶,工程机械、能源等工业部门。

(1) Input rotate speedn, is≤1500r/min.

(2) Gear wheel driving peripheral speed is < 20m/sec.

(3) Ambient temperature is -40 50C. Ifitis < 0'C, Lubricant should be preheated to> 0'C before startup. Running both forward and backward are available for this decelerator.

(4) Applicable for the industries such as metallurgy, mine, chemical industry, construction materials,hoisting, transportation,textile, paper making, paper making, food, plastic, rubber, engi-neering machinery and energy industry.

硬齿面圆柱减速器

说明,用户带逆止器时,若需长轴系列,请在订货时注明,订货来注明者视为按标准(样本)制造。

Note: The products would be manufactured according to standard(or sample) unless specifical condition is

listed in the related order when a holdback is needed to be connected to shaft series.

二、选用方法Selection procedure

1、已知参数和条件Given following information

原动机名称,功率P,= kW转速n,= r/min

工作机名称功率P2= KW转速n2= r/min

要求的传动比i=n,/n2

每天工作小时数h, 每小时启动次数次, 每小时运转周期%.

负荷特点(平稳、冲击、严重冲击),可靠度要求(一般、较高、高)

环境温度C,现场散热条件,冷却水温度C

联轴器型式,齿轮轴轴伸上是否还要承受其他附加力

装配方式型,输出轴旋向(双向旋转时请说明主旋向)

有无其他特殊要求

Type of prime mover, power P, in kW, speed n, in r/min

Type of driven machine, power P2 in kW, speed n2 in r/min

Required total transmission Tatio i=n/n2

Average daily operating time in hours, starts per hour, operating cycle per hour ,operating cycle per hour in%

Loading nature (uniform, moderate shock, heavy shock).required relibility (normal,high, higher).

Ambient temperature in ,elimination of heat in work spot, cooling water temperature in C.

Type of coupling.

Any additional force acting on shaft extension.

Assemble style, direction fo rotation of output shaft (of both directions, please show the main direction).

Any other special requirements.

2.按额定功率选择规格型号Selecting the size according to nom

平等轴系列齿轮箱的公称输入功率P.(表9-20)按载荷平稳,每天工作时间小于或等于10h.每小时启动不超过5次,允许启动转矩为工作转矩的2倍,单向运转,单对齿轮的接触强度安全系数约为1.失效率概率小于或等于1%等条件计算确定的。齿轮箱双向运转时,需视情况将P,乘上0.8-1.0的系数,当反向载荷大,换向频繁,选用的可靠度系数Ka较低时,系数取较小值,反之取较大值。

The nom.power ratings P, of parallel gear units (table 9 to 20) are valid for shock-free operation of no more than 10hrs/day and up to 5 starts per hour, permitting a starting torque of two times to the running tourque, unidirectional rotation, the safe factor of contact strenth of single of gears is about 1,and failure probability≤1%. For both directional rotation,P、 shoud be multiplied by a factor of 0.8 to 1.0, in accordance with the actual conditions. A lower factor is selected if the reverse load is selected. While the reverse load is high, the change of direction is requent and a low reliability factor Kp taken; otherwise a higher value should be selected.

所选齿轮箱的额定功率必须满足,PC=P2KAKSKR≤PA

The nom. power of gear must meet:

式中:

PC-计算功率Calculated power

P2-工作机功率Driven machine power

KA-使用系数,见表1 Service factor, see table 1

KS-启动系数,见表2 Start factor, see table 2

KR-可靠度系数,见表3 Reliability factor, see table 3

3、按许用热功率校核Check on thermal power rating

平等轴系列齿轮箱的许用热功率P,适用于环境温度20'C.每小时****连续运转和功率利用率(P2/P1,****)为****的情况,条件不同进,须进行修正。

The themal capacities Pt of vertical series gear units is valid for an ambient tempera-ture of 20'C, an operating cycle of **** per hour and a gear tilization of ****(P2/P1 ****=utilization in %)

所选齿轮箱应满足: Pct=P2KTKWKP≤ PT

Otherwise they must be corrected for the selected gear unit, the following formula

shoule be neet:

式中

PCT-计算热功率Calculated power

KT--环境温度系数,见表4 Factor for ambient temperature, see table 4

KW运转周期系数,见表5 Factor for operating cycle, see table 5

KP-功率利用系数,见表6 Factor for utilization, see table 6

4、校核、轴伸部位承受的径向载荷Check radial load on shaft extension

齿轮箱的输入轴和输出轴中间部位承受的径向载荷Fr应低于表7的数值

The overhang radial force Fr on input shaft or output shaft should not exceeded the values listed in table 7

硬齿面圆柱减速器

硬齿面圆柱减速器

硬齿面圆柱减速器


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