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LDC401 & LDC401A Automated Cleavers

 

Chapter 10: Accessories

 

Rev B, July 19, 2017 

Page 49

 

 

Fiber Holder Insert Selection Chart 

Top Insert Item # 

VHA00

10

 

VHA05

10

 

VHA10

10

VHA15

10

VHA20

10

 

VHA25

10

VHA30

10

Accepted Diameter 
(Nominal) 

≤

320 

µm 

400 µm 

500 µm 

750 µm 

1000 µm 

1250 µm 

1500 µm 

1750 µm 

2000 µm 

2250 µm 

2500 µm 

3000 µm 

Bottom 
Insert Item 
# 

Accepted 

Diameter 

(Nominal) 

Min/Max Accepted Diameter (µm) 

Min/Max Offset (µm)

 

VHD080

11

  

80 µm 

57/100 

-23/21 

 

 

 

 

 

 

 

 

 

 

 

VHD125

11

 125 

µm 

88/161 

-37/36 

 

 

 

 

 

 

 

 

 

 

 

VHD160

11

 

or 
VHF160

11,12

 

160 µm 

112/208 

-49/48 

- 

- - - - - - - - - - 

VHD250

11 

or 
VHF250

11,12

 

250 µm 

177/320 

-73/69 

275/323 

25/74 

- - - - - - - - - - 

VHD400

11

 

or 
VHF400

11,12

 

400 µm 

279/519 

-

122/119 

377/517 

-23/117 

410/519 

-9/119 

- - - - - - - - - 

VHD500

11

 

or 
VHF500

11,12

 

500 µm 

346/592 

-153/93 

447/647 

-53/147 

476/711 

-24/211 

560/795 

61/296 

- - - - - - - - 

VHD750

11

 

or 
VHF750

11,12

 

750 µm 

516/759 

-234/9 

617/970 

-

132/221 

643/878 

-107/128 

728/963 

-23/213 

812/1047 

62/297 

- - - - - - - 

VHE10

10

 

1000 µm 

- - 

773/1008 

-172/63 

858/1093 

-88/147 

943/1178 

-3/232 

1036/1271 

90/325 

- - - - - - 

1250 µm 

- -  - 

1034/1269 

-176/59 

1119/1354 

-91/144 

1212/1447 

2/237 

1288/1523 

78/313 

- - - - - 

VHE15

10

 

1500 µm 

- -  -  - 

1280/1515 

-172/63 

1373/1608 

-79/156 

1449/1684 

-2/233 

1534/1769 

82/314 

- - - - 

1750 µm 

- -  -  - 

- 

1534/1770 

-159/76 

1611/1846 

-83/152 

1695/1930 

2/237 

1772/2007 

78/313 

- - - 

VHE20

10

 

2000 µm 

- 

- 

- - - - 

1787/2022 

-171/64 

1871/2106 

-86/149 

1947/2183 

-10/225 

2032/2267 

74/309 

- - 

2250 µm 

- 

- 

- - - - - 

2033/2268 

-167/68 

2109/2344 

-91/144 

2193/2429 

-6/229 

2278/2513 

78/313 

 

- 

VHE25 2500 

µm 

- 

- 

- - - - - - 

2270/2505 

-172/64 

2355/2590 

-87/148 

2439/2675 

-2/233 

2609/2844 

167/402 

VHE30 3000 

µm 

- 

- 

- - - - - - - 

2692/2944 

-256/-4 

2777/3029 

-171/81 

2946/3198 

-2/250 

Legend 

Best Fit 

Second Best Fit 

Try these options if the best fit does not 

incorporate your fiber sizes. 

Third Best Fit 

Try these options if the other two categories do not 

incorporate your fiber sizes. 

 

Figure 64 

Each Insert Can Hold a Range of Fiber Sizes 

Here are instructions for using the charts on the previous page. 

1. 

First, select the Bottom Insert that matches your fiber size most closely. 
Example:

 For an Ø800 µm fiber, the VHD750 insert is the closest match, since it is only 50 µm smaller. 

2. 

On the chart below, look to the right of your chosen Bottom Insert. Select a compatible Top Insert 
based on the fiber diameter size range shown in each cell. 

                                                      

10

 These Inserts have two grooves, one on each side, that each accommodate a different range of fiber sizes, except for the VHA00, which 

has a flat surface on one side that can be used to clamp the smallest fiber sizes. 

11

 These Bottom Inserts have vacuum holes to aid in aligning small fibers when used with the large-diameter fiber Cleavers. 

12

 These are transfer Inserts. When used with the VHT1 Transfer Clamp, they allow the fiber to be transferred between compatible stripping, 

cleaning, Cleaving, splicing, and tapering stations without losing registration of the fiber tip location relative to the edges of the fiber holding 
block. 

Содержание Vytran LDC401

Страница 1: ...LDC401 LDC401A Automated Cleavers for Fibers with 80 m to 1 25 mm Claddings User Guide...

Страница 2: ......

Страница 3: ...d Thumbscrews 11 7 4 Stripping the Fiber 13 7 5 Loading the Fiber 14 7 6 Cleaving the Fiber 15 7 7 Unloading the Fiber 16 7 8 Changing the Fiber Holding Block Inserts 17 7 9 Specialty Cleave Process 1...

Страница 4: ...1 9 5 3 Auto Parameter 41 9 5 4 Blade Service 42 9 5 5 Insert Selector 42 9 6 Log Out 43 9 7 Exit Close 43 9 8 Parameter Description 43 9 9 Parameter Limit 45 9 10 Setup Tips Cleaving a New Fiber 46 C...

Страница 5: ...mbol Description Direct Current Alternating Current Both Direct and Alternating Current Earth Ground Terminal Protective Conductor Terminal Frame or Chassis Terminal Equipotentiality On Supply Off Sup...

Страница 6: ...The Cleave Blade should never touch the fiber on the initial fast move towards the fiber or damage to the blade could result WARNING Do not place your fingers between the left Fiber Holding Block and...

Страница 7: ...ed properly the cleavers can produce both flat and angled LDC401A only cleaves with high quality end face finishes For detailed information on the Tension and Scribe technique please refer to Chapter...

Страница 8: ...separately Bottom inserts purchased separately Canvas Bag Figure 2 The LDC401A with Included Accessories If you are missing any of the accessories or need replacements please contact the distributor f...

Страница 9: ...t can rotate the right Fiber Holding Block in order to twist the fiber and produce an angle cleave Please note that it is not possible to add Angle Cleaving capability to the LDC401 The illustrations...

Страница 10: ...ial Set up 1 Plug in the AC power cord The power supply accepts an AC input of 100 240 VAC 47 63 Hz 2 Connect the AC power cord to the external power supply 3 Connect the DC power cable to the unit 4...

Страница 11: ...Type B plug into its socket on the back of the unit 7 Plug the USB Type A plug on the first USB cable into its socket on the back of the unit 4 2 Power Up 1 Turn on the Cleaver using the ON OFF Rocke...

Страница 12: ...Controller include User Password setup User accessibility control to safeguard against accidental changes to parameters and user files Language selection Voice notification USB communications setup A...

Страница 13: ...rpendicular to this Direction When configured and operated properly both cleavers are capable of producing cleaves with high quality end face finishes 6 1 Specialty Fiber Cleaving Processes Two additi...

Страница 14: ...the fiber is positioned and securely clamped in the FHBs an automated Cleave Process can be initiated by pressing the Start button Parameters that can be adjusted using the Tablet Controller are in b...

Страница 15: ...ieces of Fiber after a Cleave It is critical that the Cleave Tension be set appropriately for the fiber being cleaved If the tension is set too low the fiber may not cleave and the diamond blade could...

Страница 16: ...2 m 208 m N A Yes VHF160 Transfer Bottom VHD250 Bottom 177 m 320 m N A Yes VHF250 Transfer Bottom VHD400 Bottom 279 m 519 m N A Yes VHF400 Transfer Bottom VHD500 Bottom 346 m 795 m N A Yes VHF500 Tran...

Страница 17: ...the lids with a stick or pulling them out with a rare earth magnet It is prudent to mark one side of the magnets before removal so the orientation and position are easily identified After completing w...

Страница 18: ...in the downward position and carefully lower the left hand FHB lid 5 With the lifting lever in the downward position the lid will not contact the fiber and the fiber is still free to move Set the Cle...

Страница 19: ...reached the left hand FHB will stop moving e The Cleave Blade will move forward towards the fiber over the Blade Offset Pre Cleave Advance distance CAUTION The Cleave Blade should never touch the fibe...

Страница 20: ...e to dispose of the cleave discard properly as these shards can be very sharp 6 Check that no debris is left behind in the FHB V grooves or on the lid clamping surfaces After the vacuum turns off the...

Страница 21: ...p insert CAUTION Do not change the top insert without a bottom insert in place the top insert can get stuck in the lower channel 1 Loosen the four 4 set screws accessible from the back of the FHB lid...

Страница 22: ...fitment of both inserts in the FHB together Re tighten the set screws until they are snug Do NOT over tighten Figure 18 Changing the Bottom Inserts It is important that both inserts in the FHBs fit to...

Страница 23: ...activate the Subcritical Process open the Parameter Select screen select the Sub Critical Cleave Process parameter and select Enable When enabled three additional parameter values must be specified T...

Страница 24: ...t the Micrometer Backstop just Touches the Fiber To use the Micrometer Backstop load the fiber in to the unit in the normal way but do not initiate a cleave immediately Rotate the micrometer until it...

Страница 25: ...closing properly and the fiber from being fully clamped It is particularly important to make sure that the bottom insert V groove surfaces and the top insert clamping surfaces are free of debris and o...

Страница 26: ...event possible damage to the Cleave Blade and retract the Micrometer Backstop Figure 22 Cleaning the Cleave Blade The Cleave Blade should be cleaned using a cotton tipped swab wetted with acetone or i...

Страница 27: ...sition the blade to a new section of the diamond edge 4 Re tighten the clamping screws These should not be over tightened Figure 23 Screws Used in Height Adjustment After adjusting the height of the C...

Страница 28: ...a unit and consists of the diamond Blade tip which is permanently mounted to a stainless steel base with a round reduced diameter shank WARNING Use great care when working near or handling the Cleave...

Страница 29: ...cleave position 4 Loosen the set screw in the top of the Cleave Arm one full turn counter clockwise using the 0 035 hex key provided Figure 26 Set Screw and Cleave Arm 5 Insert the 0 035 hex key thro...

Страница 30: ...assembly 1 Locate the 3 32 hex key provided with the tool kit 2 Loosen the two clamping screws located at the front of the cleave block assembly turning counter clockwise one full turn 3 Turn the heig...

Страница 31: ...C Main Screen is displayed From here the User can start a cleave view edit Parameters select items on the toolbar A Status Bar B Tool Bar C Start Button D Parameter View Edit E LDC Widget Figure 28 LD...

Страница 32: ...ffset will require the motor to be re homed after uploading The controller will ask if it s ok to home Be sure that there is no fiber clamped in the machine or any other obstruction that may cause the...

Страница 33: ...ce the LDC401 to the tension stage Figure 32 Cleave Screen Extended Vacuum The LDC401 will wait until the user is ready to start the cleave or repeat load fiber Note that the user can return to the LD...

Страница 34: ...Peck Indicator is also displayed Figure 35 Cleave Screen Tension and Peck When the fiber is cleaved the tension will drop to zero and the Cleave Peck Indicator remains on screen The LDC will wait for...

Страница 35: ...ws 10 Tablet The controller application VytranCX exe is launched automatically on Windows startup After a few seconds of displaying a master Home Screen a discovery process is launched which detects a...

Страница 36: ...k if none and three icons to indicate file status unprotected or read only current user access status and USB connection Figure 40 LDC Main Screen Status Bar The control button on the LDC Main Screen...

Страница 37: ...screen when something important is happening such as reading parameters from the LDC and uploading new parameters to the machine Figure 43 LDC Main Screen Toast Messagers The toolbar provides access t...

Страница 38: ...e controller defaults to No Password Full Permission enabled If a password has been setup and entered the user can quickly log out using Log Out from the toolbar A password is required only if one has...

Страница 39: ...n effect until the user touches Toolbar Log Out Figure 48 Toolbar New Password Screen 9 3 2 Access Permissions Tablet Controller can be setup to prevent unauthorized access of files and parameters whi...

Страница 40: ...as read only If a read only file contains an error it s possible to correct it If a password has been setup the user must enter it before being allowed to change User Access Permissions 9 3 3 Voice No...

Страница 41: ...ction is independent of computer locale or computer language packs installed Complete translations are available in English French and Russian and Chinese more will be available in the future In the e...

Страница 42: ...a missing connection Tablet Controller will normally auto detect the correct USB serial Comm Port to communicate with the LDC 9 4 Files Files are opened saved or saved as from Toolbar File The user is...

Страница 43: ...d folder and files can only be saved in that folder Touch the file in the list to select to it for opening Swipe the list to scroll up or down 9 4 2 Save File As Figure 56 Save File As Screen To selec...

Страница 44: ...ge communication with LDC401 Motor Manipulation Tools FHB Cleave Blade Rotation Auto Parameter recommendation of best theoretical parameter values for a given fiber cleave angle Blade Service T Insert...

Страница 45: ...ouch and slide the slider button to move the motor Below the slider are individual buttons for small step manipulation in either direction and a stop button In the case of the left FHB the user is giv...

Страница 46: ...rameters needed to manage blade setup Touch an item in the list to edit provided the user has sufficient Access Permissions When the blade is in its Service Position the Home button is displayed when...

Страница 47: ...aving the rest of the parameters set to their default values Parameter Description Fiber Diameter The diameter of the fiber cladding to be cleaved Other recommended values are derived from this Cleave...

Страница 48: ...s that the Cleave Blade moves away from the fiber during each blade oscillation Typically this parameter is set to 80 steps Increasing this parameter and correspondingly the Cleave Forward Steps param...

Страница 49: ...Typically the Post Scribe Pause is set to 1 3 seconds This is enough time for the scribe to propagate and cleave the fiber if the scribe was too large Re Tension Pause seconds This parameter is the pa...

Страница 50: ...it strikes the fiber before it starts to oscillate raise the RHS FHB Lid immediately to prevent damage to the blade then check that Blade Offset is correctly setup are different sized fibers cleaved p...

Страница 51: ...Section 10 1 should be used to select the appropriate Inserts for each holding block Top Inserts The table below summarizes the top Fiber Holder Inserts that are available from Thorlabs Item Side 1 Mi...

Страница 52: ...A No Insert Selection Guide The table on the following page indicates the maximum and minimum diameters that can be accommodated by different combinations of Top and Bottom Inserts It also indicates...

Страница 53: ...2193 2429 6 229 2278 2513 78 313 VHE25 2500 m 2270 2505 172 64 2355 2590 87 148 2439 2675 2 233 2609 2844 167 402 VHE30 3000 m 2692 2944 256 4 2777 3029 171 81 2946 3198 2 250 Legend Best Fit Second B...

Страница 54: ...of our fiber is going to sit 50 m above the Bottom Insert surface since it is 50 m larger than the fiber that the Bottom Insert was designed for 800 750 50 4 Holding blocks designed for fibers less t...

Страница 55: ...ontrolled Fiber Holding Blocks Internal Vacuum Pump for Easier Loading Up to 9 inHg 4 4 psi of Pressure V Groove Inserts Available Separately Below Power 12 5 VDC 5 A Provided by External Power Supply...

Страница 56: ...em needs to be returned to Thorlabs for service or evaluation The illustrations below show the correct way to re pack the LDC401 or LDC401A Please ensure that the bottom of the box is taped securely b...

Страница 57: ...rs In addition to specifying these new parameter values two existing parameter values may require adjustment These are Cleave Tension and Cleave Oscillation Counter peck cycles Experimentation will be...

Страница 58: ...below fiber Raise Cleave Blade Housing Blade passes above fiber Lower Cleave Blade Housing Blade reaches fiber but does not cleave it because fiber is large and FHB separation is large Use Micrometer...

Страница 59: ...other Thorlabs products such as Pure OEM products that means assemblies to be built into a unit by the user e g OEM laser driver cards Components Mechanics and optics Left over parts of units disassem...

Страница 60: ...urope thorlabs com Scandinavia Thorlabs Sweden AB Bergfotsgatan 7 431 35 M lndal Sweden Tel 46 31 733 30 00 Fax 46 31 703 40 45 www thorlabs com Email scandinavia thorlabs com France Thorlabs SAS 109...

Страница 61: ......

Страница 62: ...www thorlabs com...

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