Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive MODELS

Need a CAD or 3D Model?

Contact Now WhatsApp Be Our Agent

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive SPECIFICATIONS

Min.Order Quantity:Negotiation
Price:Negotiation

TOKIMEC VANE PUMP LTD

SunnyChina

Sunny2020-07-10 09:46:19
Welcome to my shop! Glad to serve you! Please send your question!

Interested In: Price Inspection Certificate Product Specifications Company Profile

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive Technical information

GPM @ 1,800 rpm, Shaft End:Standard Pilot
Port Type:1.25 in
Displacement Shaft End (cu in/revolution):11.8
Controlled Flow Rate:4520V
Max. RPM [Max:2 7/16 in
Shaft End Flow @ RPM:Double
Shaft Dia.:Buna-N
Cover End Flow @ RPM:1800
Shaft End Pressure [Max:N/A
Minor Diameter [Min:SAE C, 2 Bolt
Pressure Port Size, Shaft End:1 1/2 in Code 61
Relief Valve Setting:N/A
Minor Diameter [Max:Motor
Minor Diameter:1800
Shaft Key:1800
Mounting Flange:N/A
Spline Description:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm
Rotation:N/A
Model No.:N/A
Pump Series:N/A
Port Orientation - Cover End:N/A
Port Orientation - Shaft End:Outlet Opposite Inlet
Mounting:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm
Cover End RPM [Max:4520V60A8-1AD22R
Integral Valve Configuration:4 Bolt Flange Per SAE J518C W/ English Threads
Displacement Cover End (cu in/revolution):1.7
Port Size:2500
Pressure Port Size, Cover End:3/4 in Code 61
Cover End Pressure [Max:90
Shaft Seal Type:135° CW From Inlet Port
Shaft End RPM [Max:N/A
Weight:Outlet 135° CW from Inlet

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive Products and services

GM09 travel motor, final drive for Excavator PC60LC, PC75UU, KOBELCO SK60, HYUNDAI R80,Daewoo DH80	Port Size:95.0 LB; Shaft Length:Flange Mount; Major Diameter [Min:Right Hand (CW); Controlled Flow Rate:4520V60A8-1AD22R; Model No.:3.5; Weight:Flange; Pressure Port Size, Cover End:5/16 in; Shaft End Pressure [Max:22; Max. RPM [Max:Standard Pilot; Spline Description:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
Original PC50MR-2 hydraulic pump,hydraulic excavator main pump PC50MR,PC50MR-2	Major Diameter [Max:95.0 LB; Spline Description:Flange Mount; Weight:Right Hand (CW); Seal Material:4520V60A8-1AD22R; Mounting Flange:3.5; Relief Valve Setting:Flange; Integral Valve Configuration:5/16 in; Max. RPM [Max:22; Manufacturer Part No.:Standard Pilot; Shaft Seal Type:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
Kobelco SK350 track spring adjuster,SK350-8 excavator track spring	GPM @ 1,800 rpm, Shaft End:95.0 LB; Port Orientation - Shaft End:Flange Mount; Cover End RPM [Max:Right Hand (CW); Port Orientation - Cover End:4520V60A8-1AD22R; Shaft End RPM [Max:3.5; Model No.:Flange; Rotation:5/16 in; Max. RPM [Max:22; GPM @ 1,800 rpm, Cover End:Standard Pilot; Weight:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
Hyundai R140LC-7 excavaotor slewing bearing, slewing circle slewing ring for Hyundai swing bearing for R140lc-7	Cover End RPM [Max:95.0 LB; Max. RPM [Max:Flange Mount; Shaft Key:Right Hand (CW); Displacement Cover End (cu in/revolution):4520V60A8-1AD22R; Shaft Seal Type:3.5; Port Orientation - Shaft End:Flange; Pump Series:5/16 in; Mounting Flange:22; Model No.:Standard Pilot; GPM @ 1,800 rpm, Shaft End:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
Kobelco SK120 Excavator Final Drive with Hydraulic Motor SK120-6 Travel Motor	Weight:95.0 LB; Seal Material:Flange Mount; Pump Series:Right Hand (CW); Shaft Dia.:4520V60A8-1AD22R; Major Diameter [Max:3.5; Cover End RPM [Max:Flange; Cover End Pressure [Max:5/16 in; Port Type:22; Mounting:Standard Pilot; Rotation:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
CX160B cab CASE excavator CX160B operator cabin	Cover End Pressure [Max:95.0 LB; Port Orientation - Cover End:Flange Mount; GPM @ 1,800 rpm, Cover End:Right Hand (CW); Cover End RPM [Max:4520V60A8-1AD22R; Minor Diameter [Max:3.5; Port Type:Flange; Shaft End RPM [Max:5/16 in; Mounting:22; Shaft Length:Standard Pilot; Shaft End Flow @ RPM:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
TM70VC Drive Motor Hyundai R360LC-7 Final Drive Travel Motor	Cover End RPM [Max:95.0 LB; Model No.:Flange Mount; Port Size:Right Hand (CW); GPM @ 1,800 rpm, Cover End:4520V60A8-1AD22R; Pump Series:3.5; Cover End Flow @ RPM:Flange; Mounting:5/16 in; Relief Valve Setting:22; Shaft Dia.:Standard Pilot; Major Diameter [Max:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
KYB MAG18VP-250F-1 used final drive,excavator final drive made in Japan	Displacement Cover End (cu in/revolution):95.0 LB; Max. RPM [Max:Flange Mount; Shaft Type:Right Hand (CW); Weight:4520V60A8-1AD22R; Shaft End Flow @ RPM:3.5; Shaft Seal Type:Flange; Port Orientation - Cover End:5/16 in; Integral Valve Configuration:22; Pressure Port Size, Shaft End:Standard Pilot; Seal Material:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
EATON JMV173 Final Drive for SL300-5 SOLAR300-5 Excavator Track Motor Device	Shaft End RPM [Max:95.0 LB; Manufacturer Part No.:Flange Mount; Weight:Right Hand (CW); Port Orientation - Shaft End:4520V60A8-1AD22R; Minor Diameter [Max:3.5; Minor Diameter:Flange; Rotation:5/16 in; Cover End RPM [Max:22; Shaft End Pressure [Max:Standard Pilot; Integral Valve Configuration:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;
Sumitomo SH200A3 final drive,MAG170VP ,final drive assy SH200,SH200A3	Shaft Key:95.0 LB; Pilot Type:Flange Mount; Minor Diameter:Right Hand (CW); Port Type:4520V60A8-1AD22R; GPM @ 1,800 rpm, Cover End:3.5; Integral Valve Configuration:Flange; Controlled Flow Rate:5/16 in; Rotation:22; Displacement Cover End (cu in/revolution):Standard Pilot; Shaft End RPM [Max:1.25 in; Shaft Type:Straight w/ Key; Pump Series:4520V; Shaft Length:2 7/16 in; Configuration:Double; Seal Material:Buna-N; Max. RPM [Max:1800; Minor Diameter:N/A; Mounting Flange:SAE C, 2 Bolt; Shaft Seal Type:Single Shaft Seal; Spline Description:N/A; Vane Function Type:Motor; Cover End RPM [Max:1800; Shaft End RPM [Max:1800; Controlled Flow Rate:N/A; Cover End Flow @ RPM:8 gal/min @ 1200 rpm, 12 gal/min @ 1800 rpm; Major Diameter [Max:N/A; Major Diameter [Min:N/A; Minor Diameter [Max:N/A; Minor Diameter [Min:N/A; Relief Valve Setting:N/A; Shaft End Flow @ RPM:60 gal/min @ 1200 rpm, 90 gal/min @ 1800 rpm; Manufacturer Part No.:4520V60A8-1AD22R; Front Outlet Port Type:4 Bolt Flange Per SAE J518C W/ English Threads; Cover End Pressure [Max:3000; Shaft End Pressure [Max:2500; GPM @ 1,800 rpm, Cover End:12; GPM @ 1,800 rpm, Shaft End:90; Outlet Port Position [Rear:135° CW From Inlet Port; Integral Valve Configuration:N/A; Port Orientation - Cover End:Outlet 135° CW from Inlet; Port Orientation - Shaft End:Outlet Opposite Inlet; Pressure Port Size, Cover End:3/4 in Code 61; Pressure Port Size, Shaft End:1 1/2 in Code 61; Displacement Cover End (cu in/revolution):1.7; Displacement Shaft End (cu in/revolution):11.8;

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive Video

hydraulic piston, vickers hydraulics, rexroth hydraulic,hydraulic cylinder repair

Contact Us

TOKIMEC VANE PUMP LTD: Emailsales3@boya.com.sg; AddressBeiyuan District, Jinan，Shandong; Phone(Working Time)0531-8299 9953; Fax0531 -82990352

Send Now

Excavator JS200 final drive,travel device for JS210 travel motor,JS220 final drive Technical Articles

Ceramic Bearing Classification and advantages Reference

All ceramic bearings are resistant to magnetic and electrical insulation, wear and corrosion resistance, oil-free self-lubricating, high temperature and high temperature resistance, and can be used in extremely harsh environments and special working...

NSK high speed precision bearing installation attention reference

High-speed precision bearings are mainly used for high-speed rotating applications with light loads. High-precision bearings, high-speed, low-temperature vibration and a certain service life are required. The support members of the high-speed electric...

YCB arc Gear Pump

I. Overview and characteristics of YCB arc gear pump: YCB arc gear pump adopts the most advanced point contact gear which is considered to be the most advanced pump in the world, that is, the double arc plus sinusoidal curve is combined into a tooth...