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YK2712型數控直齒錐齒輪雙刀盤銑齒機床，是天津一機集七十年生產直齒錐齒輪機床、弧齒錐齒輪機床專業技術經驗而研發成功的作品。

特別適合加工齒向為鼓型的齒，用于粗切、精切直齒錐齒輪。加工效率快，比同規格刨齒機效率高約3-5倍，噪音低。機床加工精度達GB 6級。

該機床適用于加工直齒錐齒輪傳動的變速箱、減速機、精密傳動齒輪等。

機床主要性能和結構特點

1、本機床采用國產廣數GSK218MC-V數控系統。可根據客戶需求使用德國西門子（SIEMENS）或日本發那科（FANUC）數控系統及電機，實現四軸控制三軸聯動。主軸伺服電機控制刀軸主驅動無級調速，可實現電子手輪對刀及輔助調刀。

2、本機床雙刀盤支架部件結構布局*，保證在高剛性能下合理空間尺寸。

3、本機床搖臺及工件箱均采用高精度蝸輪付傳動，結構及傳動均采用高剛性設計。

4、本機床主要電氣件、軸承及密封件均采用進口件，保證機床可靠性。

5、本機床配置獨立密封電氣柜具有恒溫控制裝置。

6、本機床配置安全防護罩。

7、本機床配置鐵屑排屑器（選配）。

機床主要技術參數

加工工件模數范圍		mm	2.5～0.5
工件錐距		mm	60
軸交角為90°時，工件的傳動比			1 : 10
工件直徑		mm	125
工件齒寬		mm	11
工件齒數范圍			5～150
刀架調整角			7.5°
工件箱主軸端面至機床中心距離		mm	20～190
加工每一齒所需的時間		s	4～20
刀具切削速度		m/min	40-60
工件主軸錐孔大端直徑		mm	31.267
工件箱主軸孔錐度			莫氏四號
刀盤直徑			6″（152.4mm）
搖臺擺動角度	零刻線以上		30°
	零刻線以下		30°
主電機功率		KW	2.3
主電機轉速		rpm	800～1500
冷卻泵電機功率		KW	0.42
冷卻泵流量		L/min	200
主機電壓		v	380
機床總功率		KVA	10
機床凈重		T	2
機床外廓尺寸		mm	1700x1650x1700

YK2712 CNC DOUBLE-CUTTER STRAIGHT BEVEL GEAR GENERATOR

The YK2712 CNC double-cutter straight bevel gear generator is a newly developed product of Tianjin Machine Tool Co., Ltd. through its specialized technology and experience in building straight bevel gear cutting machines and spiral bevel gear cutting machines for nearly 70 years.

The machine is designed for rough cutting or finish cutting straight bevel gears and it’s especially suitable for cutting gears with crowned teeth. The machining efficiency is very high, about 3 – 5 times higher than machines of the same specifications, and the machine noise level is low. The machining accuracy of the machine can reach Grade 6 of the GB Standard.

The machine is suitable for cutting straight bevel gears used in gear boxes, speed reducers, precision transmissions, etc.

MACHINE FEATURES

1. A GSK218MC-V CNC control system or a SIEMENS control system (Optional) a FANUC control system (Optional) is equipped on the machine and this is a 4-axis CNC machine with 3- axis simultaneous movements. A spindle servo motor controls the stepless speed regulation of the cutter spindle. Tool setting and cutter adjustments can be performed through the electronic handwheel.

2. The structural layout of the double cutter brackets is unique to guarantee a reasonable space in the high rigidity conditions of the machine.

3. Both the cradle and the workhead are driven by means of high precision worm and worm wheel pairs. All the structures ａnd the transmissions of the machine are rigidly designed.

4. All the CNC control system, the major electrical components, the bearings and the sealing parts are imported ones to ensure the reliability of the machine.

5. The machine has a free-standing sealed electrical cabinet equipped with a thermostatic-control device.

6. A full- enclosure is equipped for the machine.

7. A chip conveyor (Optional) is available for the machine.

SPECIFICATIONS

Max. module of work	mm	2.5 –0.5
Max. cone distance of work	mm	60
Extreme ratio (at 90o shaft angle)		10:1
Max. diameter of work	mm	125
Max. face width of work	mm	11
Teeth number		5 --150
Max. adjusting angle of cutter head		±7.5o
Distance between face of work spindle and machine center	mm	20 -- 190
Time for cutting one tooth	s	4 -- 20
Cutting speed	m/min.	40 -- 60
Diameter of taper hole of work spindle at large end	mm	31.267
Taper of work spindle hole		Morse #4
Cutter diameter		6" (152.4mm)
Max. cradle roll	above zero line	30o
Max. cradle roll	below zero line	30o
Power of main motor	kw	2.3
Speed of main motor	rpm	800 -- 1500
Power of coolant motor	kw	0.42
Flowrate of coolant pump	l/min	200
Total power of machine	kva	10
Net weight	t	2
Overall dimensions	t	1700 x 1650 x 1700