Pegas gelombang berputar ganda tanpa ujung pelat penahan

Pegas gelombang multi-putaran tanpa ujung pelat K series

Jumlah gelombang pada setiap lapisan adalah 2,5, 3,5, 4,5, dan seterusnya, dan lapisan atas dan bawah bersentuhan di puncak dan lembah.

Hubungi Kami
Deskripsi

Pegas Gelombang Multi-Putaran Tanpa Ujung Penyanggaadalah komponen pegas canggih yang dirancang untuk pemasangan kompak dan lingkungan yang sensitif terhadap berat. Dengan struktur gelombang berlapis-lapis dari puncak ke lembah tanpa gulungan penyangga di kedua ujungnya, pegas ini memaksimalkan elastisitas dan dukungan dalam ruang terbatas. Jumlah gulungan efektif sama dengan jumlah total gulungan, karena lapisan atas dan bawah bersentuhan langsung di puncak dan lembah, menciptakan pegas yang lebih kompak dan efisien.

multi-turn wave springs without shim ends

Pegas gelombang multi-putaran tanpa ujung pelat

Fitur Utama & Manfaat

  • Desain Tanpa Shim:Ketiadaan gulungan penyangga di kedua ujung memungkinkan pegas yang lebih kompak dan ringan, mengurangi kompleksitas struktural.
  • Struktur Multi-Koil:Lapisan gelombang ganda memberikan elastisitas dan deformasi yang lebih baik, beradaptasi dengan berbagai kondisi operasional.
  • Efisiensi Spiral Maksimal:Lapisan atas dan bawah bersentuhan di puncak dan lembah, menghasilkan pemanfaatan penuh gulungan pegas untuk dukungan dan gaya elastis yang lebih besar.
  • Pemilihan Bahan:Terbuat dari baja berkekuatan tinggi atau bahan paduan, memastikan keandalan dan ketahanan di bawah beban tinggi dan stres siklik.
  • Peredaman Getaran dan Benturan:Kinerja unggul dalam beban siklik dan peredaman getaran, ideal untuk lingkungan mekanis dinamis.

Aplikasi

  • Sistem dirgantara yang memerlukan pegas kompak dan ringan
  • Mesin presisi dengan ruang instalasi terbatas
  • Segel hidraulik dan motor listrik berteknologi tinggi
  • Peralatan otomotif dan mekanik umum untuk penyerapan benturan dan getaran

Pegas Gelombang Multi-Putaran Tanpa Ujung Pelat adalah solusi optimal untuk ruang kompak dengan batasan berat di industri dirgantara, teknik presisi, dan industri lain yang menuntut. Desain inovatif dan bahan berkinerja tinggi mereka memastikan elastisitas dan dukungan yang andal serta tahan lama.

Parameter Teknis1
Nomor ItemBeroperasi pada
Diameter Lubang (mm)		Diameter Poros Bebas
(mm)		Beban (N)Tinggi Kerja (mm)Tinggi Bebas (mm)Kekakuan Pegas (N/mm)
K018-L34,783,184,451,453,182,57
K018-L44,783,184,451,733,812,14
K018-L54,783,184,452,014,451,82
K018-L64,783,184,452,295,081,59
K018-L74,783,184,452,575,741,4
K018-L84,783,184,453,127,011,14
K018-L94,783,184,453,688,280,96
K018-M14,783,189,781,192,2615
K018-M24,783,189,781,63,026,88
K018-M34,783,189,782,013,785,5
K018-M44,783,189,782,414,554,59
K018-M54,783,189,782,825,313,92
K018-M64,783,189,783,236,073,43
K018-M74,783,189,783,636,813,08
K018-M84,783,189,784,428,332,5
K018-M94,783,189,785,169,862,5
K021-L15,563,566,671,022,016,74
K021-L25,563,566,671,352,675,04
K021-L35,563,566,671,683,334,04
K021-L45,563,566,672,033,993,41
K021-L55,563,566,672,344,652,89
K021-L65,563,566,672,695,312,56
K021-L75,563,566,673,055,992,26
K021-L85,563,566,673,717,321,86
K021-L95,563,566,674,348,641,56
K021-M15,563,56201,32,0327,16
K021-M25,563,56201,732,7220,2
K021-M35,563,56202.163,3816,42
K021-M45,563,56202,574,0613,35
K021-M55,563,562034,7511,41
K021-M65,563,56203,435,449,98
K021-M75,563,56203,866,18,94
K021-M85,563,56204,757,477,37
K021-M95,563,56205,518,816,06
K025-L16,353,818,890,841,918,4
K025-L26,353,818,891,272,547
K025-L36,353,818,891,523,185,425
K025-L46,353,818,891,913,814,725
K025-L56,353,818,892,164,453,85
K025-L66,353,818,892,415,083,325
K025-L76,353,818,893,055,723,325
K025-L86,353,818,893,566,992,625
K025-L96,353,818,894,328,262,275
K025-M16,353,8122,230,941,9123,1
K025-M26,353,8122,231,222,5416,8
K025-M36,353,8122,231,653,1814,525
K025-M46,353,8122,231,913,8111,725
K025-M56,353,8122,232,294,4510,325
K025-M66,353,8122,232,545,088,75
K025-M76,353,8122,233,055,728,4
K025-M86,353,8122,233,766,996,825
K025-M96,353,8122,234,458,265,775
K031-L17,925,0813,341,782,911,9
K031-L27,925,0813,342,443,869,45
K031-L37,925,0813,3434,837,35
K031-L47,925,0813,343,685,796,3
K031-L57,925,0813,344,196,765,25
K031-L67,925,0813,344,957,724,9
K031-L77,925,0813,345,468,694,2
K031-L87,925,0813,346,6510,623,325
K031-L97,925,0813,347,8512,552,8
K031-M17,925,0826,671,832,925.025
K031-M27,925,0826,672,443,8618,725
K031-M37,925,0826,673,124,8315,75
K031-M47,925,0826,673,665,7912,425
K031-M57,925,0826,674,476,7611,725
K031-M67,925,0826,6757,729,8
K031-M77,925,0826,675,778,699,1
K031-M87,925,0826,677,0610,627,525
K031-M97,925,0826,678,5312,556,65
K037-L19,536,3517,781,573,817,875
K037-L29,536,3517,782,495,086,825
K037-L39,536,3517,782,746,354,9
K037-L49,536,3517,783,437,624,2
K037-L59,536,3517,783,818,893,5
K037-L69,536,3517,784,6710,163,325
K037-L79,536,3517,784,9511,432,8
K037-L89,536,3517,785,7912,72,625
K037-L99,536,3517,786,113,972,275
K037-M19,536,3531,122,063,8117,675
K037-M29,536,3531,123,025,0815,05
K037-M39,536,3531,123,686,3511,725
K037-M49,536,3531,124,577,6210,15
K037-M59,536,3531,125,138,898,225
K037-M69,536,3531,126,110.167,7
K037-M79,536,3531,126,6511,436,475
K037-M89,536,3531,127,5712,76,125
K037-M99,536,3531,128,3113,975,425
K043-L111,17,1417,781,64,196,825
K043-L211,17,1417,782,365,595,425
K043-L311,17,1417,782,776,994,2
K043-L411,17,1417,783,638,383,675
K043-L511,17,1417,784,069,783,15
K043-L611,17,1417,784,9511,182,8
K043-L711,17,1417,785,3312,572,45
K043-L811,17,1417,786,113,972,275
K043-L911.17,1417,786,615,372,1
K043-M111,17,1435,562,084,1916,8
K043-M211,17,1435,562,925,5913,3
K043-M311,17,1435,563,616,9910,5
K043-M411,17,1435,564,558,389,275
K043-M511,17,1435,565,039,787.525
K043-M611,17,1435,565,8711,186,65
K043-M711,17,1435,566,4812,575,775
K043-M811,17,1435,567,3713,975,425
K043-M911,17,1435,568,115,374,9
K050-L112,77,9222,231,574,577,35
K050-L212,77,9222,232.296,15,775
K050-L312,77,9222,232,727,624,55
K050-L412,77,9222,233,459,143,85
K050-L512,77,9222,233,8110,673,325
K050-L612,77,9222,234,5712,192,975
K050-L712,77,9222,234,9513,722,45
K050-L812,77,9222,235,5915,242,275
K050-L912,77,9222,236,116,762,1
K050-M112,77,9244,451,654,5715,225
K050-M212,77,9244,452,346,111,9
K050-M312,77,9244,452,97,629,45
K050-M412,77,9244,453,739,148,225
K050-M512,77,9244,454,1110,676,825
K050-M612,77,9244,454,9812,196,125
K050-M712,77,9244,455,2613,725,25
K050-M812,77,9244,456,2515,244,9
K050-M912,77,9244,456,7116,764,375
K050-H112,77,9266,681,914,5725.025
K050-H212,77,9266,682,796,120,125
K050-H312,77,9266,683,457,6215,925
K050-H412,77,9266,684,249,1413,65
K050-H512,77,9266,684,6210,6711,025
K050-H612,77,9266,685,4912,199,975
K050-H712,77,9266,686,113,728,75
K050-H812,77,9266,687,1115,248,225
K050-H912,77,9266,687,9216,767,525
K056-L114,279,5322,232,034,957,525
K056-L214,279,5322,233,186,66,475
K056-L314,279,5322,233,438,264,55
K056-L414.279,5322,234,579,914,2
K056-L514,279,5322,234,8311,563,325
K056-L614,279,5322,235,8413,212,975
K056-L714,279,5322,236,614,862,625
K056-L814,279,5322,237,2416,512,45
K056-L914,279,5322,23818,162.275
K056-M114,279,5348,92,184,9517,675
K056-M214,279,5348,93,126,614
K056-M314,279,5348,93,688,2610,675
K056-M414,279,5348,94,759,919,45
K056-M514,279,5348,95,3111,567,875
K056-M614,279,5348,96.4313,217,175
K056-M714,279,5348,96,9314,866,125
K056-M814,279,5348,98,0816,515,775
K056-M914,279,5348,98,7118,165,25
K056-H114,279,5380,022,364,9530,8
K056-H214,279,5380,023,456,625,375
K056-H314,279,5380,024,198,2619,775
K056-H414,279,5380,025,389,9117,675
K056-H514,279,5380,026,2211,5615,05
K056-H614,279,5380,027,1613,2113,3
K056-H714,279,5380,028,214,8612,075
K056-H814,279,5380,029,1416,5110,85
K056-H914,279,5380,0210,3618,1610,325
K062-L115,8811,4324,151,74,578,4
K062-L215,8811,432526,16,125
K062-L315,8811,4326,672,167,624,9
K062-L415,8811,4326,672,699,144,2
K062-L515,8811,4326,673,2510,673,675
K062-L615,8811,4326,674,1913,722,8
K062-L715,8811,4326,675,1316,762,275
K062-L815,8811,4326,676,0519,811,925
K062-M115,8811,4353,342,644,5727,65
K062-M215,8811,4353,343,36,119,075
K062-M315,8811,4353,344,457,6216,8
K062-M415,8811,4353,345,239,1413,65
K062-M515,8811,4353,346,2510,6712,075
K062-M615,8811,4353,348,0513,729,45
K062-M715,8811,4353,349,816,767,7
K062-M815,8811,4353,3411,5319,816,475
K062-H115,8811,4388,912,594,5744,8
K062-H215,8811,4388,913,436,133,25
K062-H315,8811,4388,914,457,6228
K062-H415,8811,4388,915,219,1422,575
K062-H515,8811,4388,916,2210,6719,95
K062-H615,8811,4388,91813,7215.575
K062-H715,8811,4388,919,9116,7612,95
K062-H815,8811,4388,9111,8119,8111,025
K075-L119,0513,9731,123,616,3511,375
K075-L219,0513,9731,124,758,468,4
K075-L319,0513,9731,126,2510,597,175
K075-L419,0513,9731,127,2412,75,775
K075-L519,0513,9731,128,8414,815,25
K075-L619,0513,9731,1211,3319,054.025
K075-L719,0513,9731,1214,7325,42,975
K075-M119,0513,9757,794,046,3525,025
K075-M219,0513,9757,795,168,4617,5
K075-M319,0513,9757,796,8610,5915,4
K075-M419,0513,9757,797,9812,712,25
K075-M519,0513,9757,799,6814,8111,2
K075-M619,0513,9757,7912,4219,058,75
K075-M719,0513,9757,7916,4825,46,475
K075-H119,0513,9797,84,296,3547,6
K075-H219,0513,9797,85,468,4632,55
K075-H319,0513,9797,87,3910,5930,625
K075-H419,0513,9797,88,5112,723,275
K075-H519,0513,9797,810,2914,8121,7
K075-H619,0513,9797,813,3619,0517,15
K075-H719,0513,9797,817,7525,412,775
K087-L122,2315,2453,342,976,3515,75
K087-L222,2315,2453,344,018,4612,075
K087-L322,2315,2453,345,2610,599,975
K087-L422,2315,2453,346,1512,78,225
K087-L522,2315,2453,347,2914,817,175
K087-L622,2315,2453,349,619,055,6
K087-L722,2315,2453,3412,6525,44,2
K087-M122,2315,2480,023,156,3525,9
K087-M222,2315,2480,024,178,4618,9
K087-M322,2315,2480,025,4410,5915,575
K087-M422,2315,2480,026,412,713,3
K087-M522,2315,2480,027,5214,8111,55
K087-M622,2315,2480,029,7819,058,75
K087-M722,2315,2480,0212,9325,46,65
K087-H122,2315,24111,134,226,3552,15
K087-H222,2315,24111,135,448,4636,75
K087-H322,2315,24111,137,0610,5931,5
K087-H422,2315,24111,138,3112,725,375
K087-H522,2315,24111,1310,0314,8123,275
K087-H622,2315,24111,1312,9519,0518,2
K087-H722,2315,24111,1317,0225,413,65
K100-L125,418,5453,342,136,3512,6
K100-L225,418,5453,342,748,469,275
K100-L325,418,5453,343,6810,597,7
K100-L425,418,5453,344,1912,76,3
K100-L525,418,5453,345,1114,815,425
K100-L625,418,5453,346,5519,054,2
K100-L725,418,5453,348,6925,43,15
K100-L825,418,5453,3411,331,752,625
K100-L925,418,5453,3413,1838,12,1
Parameter Teknis2

 

Nomor ItemBeroperasi pada
Diameter Lubang (mm)		Diameter Poros Bebas
(mm)		Beban (N)Tinggi Kerja (mm)Tinggi Bebas (mm)Kekakuan Pegas (N/mm)
K100-L1025,418,5453,3416,0844,451,925
K100-L1125,418,5453,3418,0350,81,575
K100-M125,418,5480,022,216,3519,25
K100-M225,418,5480,022,878,4614,35
K100-M325,418,5480,023,7610,5911,725
K100-M425,418,5480,024,4512,79,625
K100-M525,418,5480,025,3814,818,575
K100-M625,418,5480,027,0119,056,65
K100-M725,418,5480,029,1425,44,9
K100-M825,418,5480,0211,4831,754,025
K100-M925,418,5480,0213,9438,13,325
K100-M1025,418,5480,0216,5144,452,8
K100-M1125,418,5480,0218,2950,82,45
K100-H125,418,54111,133,336,3536,75
K100-H225,418,54111,134,428,4627,475
K100-H325,418,54111,135,7710,5923,1
K100-H425,418,54111,136,7612,718,725
K100-H525,418,54111,138,114,8116,625
K100-H625,418,54111,1310,3119,0512,775
K100-H725,418,54111,1313,7425,49,45
K100-H825,418,54111,1317,4831,757,875
K100-H925,418,54111,1320,6538,16.3
K100-H1025,418,54111,1324,3144,455,6
K100-H1125,418,54111,1327,5150,84,725
K112-L128,5821,5953,343,717,6213,65
K112-L228,5821,5953,344,7210,169,8
K112-L328,5821,5953,346,3512,78,4
K112-L428,5821,5953,347,4915,246,825
K112-L528,5821,5953,348,7417,785,95
K112-L628,5821,5953,349,9620,325,075
K112-L728,5821,5953,3412,425,44,025
K112-L828,5821,5953,3416,7433,023,325
K112-L928,5821,5953,3420,540,642,625
K112-L1028,5821.5953,3425,8350,82,1
K112-M128,5821,5988,914,067,6225,025
K112-M228,5821,5988,915,1310,1617,675
K112-M328,5821,5988,916,8612,715,225
K112-M428,5821,5988,918,0815,2412,425
K112-M528,5821,5988,919,6817,7811,025
K112-M628,5821,5988,9110,8520,329,45
K112-M728,5821,5988,9113,6125,47,525
K112-M828,5821,5988,9117,9833,025,95
K112-M928,5821,5988,9121,8740,644,725
K112-M1028,5821,5988,9127,6450,83,85
K112-H128,5821,59133,364,527,6243,05
K112-H228,5821,59133,365,8210,1630,625
K112-H328,5821,59133,367,712,726,6
K112-H428,5821,59133,368,8915,2421
K112-H528,5821,59133,3610,6917,7818,9
K112-H628,5821,59133,3611,9420,3215,925
K112-H728,5821,59133,3615,0625,412,95
K112-H828,5821,59133,3619,9933,0210,15
K112-H928,5821,59133,3624,2840,648,225
K112-H1028,5821,59133,3630,5350,86,65
K125-L131,7525,453,342,137,629,8
K125-L231,7525,453,342,8710,167,35
K125-L331,7525,453,343,7812,75,95
K125-L431,7525,453,344,3715,244,9
K125-L531,7525,453,345,2617,784,2
K125-L631,7525,453,345,7720,323,675
K125-L731,7525,453,347,6525,42,975
K125-L831,7525,453,3410,0333,022.275
K125-L931,7525,453,3411,8640,641,925
K125-L1031,7525,453,3415,0150,81,575
K125-M131,7525,488,913,157,6219,95
K125-M231,7525,488,914,1910,1614,875
K125-M331,7525,488,915,4612,712,25
K125-M431,7525,488,916.4315.2410,15
K125-M531,7525,488,917,717,788,75
K125-M631,7525,488,918,6620,327,7
K125-M731,7525,488,9110,8525,46,125
K125-M831,7525,488,9114,6633,024,9
K125-M931,7525,488,9117,5840,643,85
K125-M1031,7525,488,912250,83,15
K125-H131,7525,4133,364,017,6236,75
K125-H231,7525,4133,365,3310,1627,65
K125-H331,7525,4133,366,9112,723,1
K125-H431,7525,4133,368,1315,2418,725
K125-H531,7525,4133,369,7517,7816,625
K125-H631,7525,4133,361120,3214,35
K125-H731,7525,4133,3613,6725,411,375
K125-H831,7525,4133,3618,2133,028,925
K125-H931,7525,4133,3622,340,647,35
K125-H1031,7525,4133,3628,0250,85,775
K137-L134,9326,1666,681,917,6211.725
K137-L234,9326,1666,682,5110,168,75
K137-L334,9326,1666,683,2812,77
K137-L434,9326,1666,683,9415,245,95
K137-L534,9326,1666,684,5517,785,075
K137-L634,9326,1666,685,2320,324,375
K137-L734,9326,1666,686,525,43,5
K137-L834,9326,1666,688,6633,022,8
K137-L934,9326,1666,6810,7740,642,275
K137-L1034,9326,1666,6813,4650,81,75
K137-M134,9326,16111,133,617,6227,65
K137-M234,9326,16111,134,7210,1620,475
K137-M334,9326,16111,136,112,716,8
K137-M434,9326,16111,137,1415,2413,65
K137-M534,9326,16111,138,6417,7812.075
K137-M634,9326,16111,139,7520,3210,5
K137-M734,9326,16111,1312,3425,48,575
K137-M834,9326,16111,1316,0533,026.475
K137-M934,9326,16111,1320,0240,645,425
K137-M1034,9326,16111,1324,9450,84,375
K137-H134,9326,16155,583,787,6240,6
K137-H234,9326,16155,584,810,1629,05
K137-H334,9326,16155,586,2712,724,15
K137-H434,9326,16155,587,2915,2419,6
K137-H534,9326,16155,588,7117,7817,15
K137-H634,9326,16155,589,9120,3214,875
K137-H734,9326,16155,5812,4525,412.075
K137-H834,9326,16155,5816,4133,029,45
K137-H934,9326,16155,5820,1440,647,525
K137-H1034,9326,16155,5825,450,86,125
K150-L138,128,9688,913,287,6220,475
K150-L238,128,9688,914,1710,1614,875
K150-L338,128,9688,915,4112,712,25
K150-L438,128,9688,916,2715,249,975
K150-L538,128,9688,917,6517,788,75
K150-L638,128,9688,918,5620,327,525
K150-L738,128,9688,9110,9225,46,125
K150-L838,128,9688,9114,3533,024,725
K150-L938,128,9688,9117,6340,643,85
K150-L1038,128,9688,912250,83,15
K150-M138,128,96155,583,17,6234,475
K150-M238,128,96155,584,0110,1625,375
K150-M338,128,96155,585,2312,720,825
K150-M438,128,96155,586,1215,2416,975
K150-M538,128,96155,587,3917,7815,05
K150-M638,128,96155,588,2320,3212,95
K150-M738,128,96155,5810,3925,410,325
K150-M838,128,96155,5813,7233,028,05
K150-M938,128,96155,5816,6940,646,475
K150-M1038,128,96155,5821,2150,85,25
K150-H138,128,96266,724,227,6278,4
K150-H238,128,96266,725,4910,1657,05
K150-H338,128,96266,727,0612,747,25
K150-H438,128,96266,728,3615,2438,675
K150-H538,128,96266,729,9117,7833,95
K150-H638,128,96266,7211,2520,3229,4
K150-H738,128,96266,7214,125,423,625
K150-H838,128,96266,7218,4433,0218.375
K150-H938,128,96266,7222,6140,6414,875
K150-H1038,128,96266,7228,4250,811,9
K175-L144,4534,04111,133,949,5319,95
K175-L244,4534,04111,135,0812,714,525
K175-L344,4534,04111,136,7315,8812.075
K175-L444,4534,04111,137,8719,059,975
K175-L544,4534,04111,139,3222,18,75
K175-L644,4534,04111,1310,5425,47,525
K175-L744,4534,04111,1313,2831,755,95
K175-L844,4534,04111,1316,2138,15,075
K175-L944,4534,04111,1318,7244,454,375
K175-L1044,4534,04111,1321,4450,83,85
K175-M144,4534,04222,264,789,5346,725
K175-M244,4534,04222,266,212,734,125
K175-M344,4534,04222,26815,8828,175
K175-M444,4534,04222,269,519,0523,275
K175-M544,4534,04222,2611,4822,121
K175-M644,4534,04222,2612,8325,417,675
K175-M744,4534,04222,2615,9831,7514,175
K175-M844,4534,04222,2619,5138,111,9
K175-M944,4534,04222,2622,8344,4510,325
K175-M1044,4534,04222,2626,0650,88.925
K175-H144,4534,04400,085,899,53110.075
K175-H244,4534,04400,087,9812,784,7
K175-H344,4534,04400,0810,3915,8872,975
K175-H444,4534,04400,0812,2419,0558,8
K175-H544,4534,04400,0814,6622,153,725
K175-H644,4534,04400,0816,5425,445,15
K175-H744,4534,04400,0820,6531,7536,05
K175-H844,4534,04400,0824,8938,130,275
K175-H944,4534,04400,0829,1344,4526,075
K175-H1044,4534,04400,0833,4550,823,1
K200-L150,840,64103,22,99,5315,575
K200-L250,840,64104,13,512,711,55
K200-L350,840,64111,134,0115,889,45
K200-L450,840,64111,134,5519,057,7
K200-L550,840,64111,135,5122,16,65
K200-L650,840,64111,136,1725,45,775
K200-L750,840,64111,137,7731,754,55
K200-L850,840,64111,139,2738,13,85
K200-L950,840,64111,131144,453.325
K200-L1050,840,64111,1312,4550,82,975
K200-M150,840,64222,263,569,5337,275
K200-M250,840,64222,264,6712,727,65
K200-M350,840,64222,266,2215,8823,1
K200-M450,840,64222,267,0619.0518,55
K200-M550,840,64222,268,7622,116,625
K200-M650,840,64222,2610,0325,414,525
K200-M750,840,64222,2612,6531,7511,55
K200-M850,840,64222,2615,0638,19,625
K200-M950,840,64222,2617,6344,458,225
K200-M1050,840,64222,2620,3250,87,35
K200-H150,840,64400,0859,5388,55
K200-H250,840,64400,086,5512,765,1
K200-H350,840,64400,088,4315,8853,725
K200-H450,840,64400,089,8819,0543,575
K200-H550,840,64400,0811,8122,138,85
K200-H650,840,64400,0813,3425,433,075
K200-H750,840,64400,0816,7931,7526,775
K200-H850,840,64400,0819,8438,121,875
K200-H950,840,64400,0823,944,4519,425
K200-H1050,840,64400,0827,1550,816,975